after about 30 days of taking it, we noticed clarity that we didn't notice before. - it's still helping me. i still notice a difference. prevagen. healthier brain. better life. court is about to be back in session at the derek chauvin murder trial after both sides started with a fight over a key witness. long time george floyd friend, maurice hall, appeared by zoom. paul was with floyd in the car when he was arrested. reportedly said floyd did not resist arrest. we're going to have a update live as the jury gets ready to hear new nm just about 10

minutes. they are set to say that all states should make every adult eligible by april 19th. that's a couple weeks earlier. it comes as health officials we have a lot of breaking news, but we'll start at the white house. i'm hallie jackson in washington along with shannon pettypiece. they set a goal that was seen as rather achievable and now they're announing that they're close to achieving it. they are setting the bar just a little low and taking a victory lap when they exceed expectations. he want today see all states expand eligibility by may 1st. this is when they come out and say they're going to -- now the

administration saying they're calling on the last few remaining states out there. opening up that eligibility by april 19th. another milestone, there have been 150e million vaccines administered. shots in arms since he took office. about 75 days ago, but as you said all of this comes as the administration is still warning and urging people to keep those mitigation measures in place. to do the social distancing, the mask wearing for states to keep mask mandates in place to not lift restrictions too soon because despite all of the great news, the cdc director says she sees vr troubling warning signs in the number of new cases particularly among younger people. >> shannon pettypiece.

thank you. we're following all of the new live developments at the derek chauvin murder trial. this fight over a key witness that is with george floyd when he was arrested. talk to us about that and what we expect in just about 12 minutes when testimony is set to begin again. >> you mentioned maurice hall. he could possibly be a key witness in this case. the defense definitely wants him in the case. we heard from maurice hall's council and he told the course that he would invoke his 5th amendment right. that is what this hearing was about. it just wrapped up a few moments ago and maurice hall's attorney was arguing that he should not

come to the witness stands because he would be asked about drug use, if he provided george floyd with any drugs, if he provided him with a counter fit bill. he ahered in court but his council was in the courtroom. the defense laid out the list of questions they would ask them about. the judge thought it was on one very narrow people of testimony that he could testify about without incriminating himself which would be about george floyd's testimony. the prosecution argued look, this is not in a vacuum, if he has to invoke his privilege in front of the jury that could

potentially affect things. that happened after about a half hour hearing or so. the judge said you draft up the exact questions that you plan to ask him and we'll go from there. that's where we're at right now. the defense will probably ask specifically about george floyd's kmeern. >> paul, let me go to you, can you put this into context here from the legal perspective here? the significance of what has been unfolding in the last half our and what impact that could have in the two, three, or four weeks to come? >> it has a lot of impact for the defense, right? if they're able to get this witness on the stand they're able to dirty up george floyd which is more of the character assassination. they want him to come on the stand to talk about what his

impressions were about george using drugs or taking drugs, all of the criminal acts they may have engaged in. all of that stuff. so that is why the prosecution is fighting to keep this person out. and with this judge in particular, judge cahill, i think that is why he is asking for the specific questions. i have seen the judge will ask the questions. what they run the risk of is once they ask the questions, what could they open up in terms of cross-examination that could still drift into these areas. the bigger issue independent of that the juror will have for understanding george floyd and his involvement in drug use or the counterfeit bit, and who knows what else it opens up

into. the prosecution wants to be on them which is what was chauvin doing, what did chauvin do, how did he brief his duty as a police officer with george floyd, how did his action cause the death. that's what they want to focus on. that's what all of this is about. i'm a little surprised that it is happening now in the middle of the trial with this witness. i presume this has been going on back and forth with a lot of other witnesses as well. but i people a lot of that back and forth took place with the limiting motions that was going on. now that this is taking place during a trial, we didn't see him representing himself

independent, and that's why we're having this conversation right now in the middle of this trial. a very interesting turn of events. it seems to me since he wants the questions from the defense county till, he is trying to get this witness on the stand and limb what the democrat will look like or limit what the companies public highway look like. i don't know how much which he limit the process once he is on the stand and talking. >> paul, you talked about how the prosecution is looking to put the focus on derek chauvin. that's likely what we will see. we know the prosecution was trying to lay out the case related to use of force. what is your expectation for what is to come here in the next little bit, gabe?

>> yes, hallie. you mentioned there was a police chief with that remarkable testimony. the police inspector also saying that chauvin did not follow policy. we expect more use of force witnesses, potentially today, and eventuallyly transitioning it this week, it is a key witness that might be later in the week. potentially the county medical examiner, both sides interested in what he has to say, whether or not george floyd died due to lax of oxygen or because of his use of drugs. so right now it is police use of force policies and this will transition through the rest of the week. >> i'm going to ask you both to stay where you are. we're going to expect that trial to resume. we're on a brief break at the moment. we want a little more developing

news this morning. first the news that there is a new work around for trying to pass more bills without republicans. only specific kinds of bills though. the senate parliamentarian says the process used to pass covid relief can be used again under another approach by revising what was passed before. the democrats might have multiple opportunities to bypass g.o.p. filibusters in the last few years. the focus right now is the infrastructure bill. joemanchin opposing that 28% corporate tax rate and saying this. >> this biblical not be in the same form that you have seen it introduced or seen people talking about it. we're going to have some leverage and it's more than just me. there is six or seven other democrats that feel very strongly about this.

>> leann caldwell, lifting ourselves out of the weeds here, let's be very clear about this new decision by the senate parliamentarian in is not a blanket parliamentarian. voting rights et cetera on this work around through reconciliation if is very specific and targeted, right? >> that's right, let's take a step back here. democrats thought they had what the senate majority leader schumer got approval for yesterday was perhaps to use it a third time before the midterm election. so this gives them more options. senator schumer did not say he is going to go dhoun bath just yet, but it gives him the opportunity to use it if he needs to moving down the road.

as you mentioned it can't be used on all pieces of legislation. things like voting rights cannot be passed under this. looking forward to structure they could likely use it on that plan. but some democrats say they want a bipartisan component bill and so they're not even on board yet. so democrats have this mechanism, but they need the support of all of the members to do it and they're not even there yet, hallie. we mentioned two pieces of news. we're hearing this morning we understand that he passed away at 84 years old. garrett, talk to us about what

we know here and what it means. >> well, hastenings had been badling cancer for awhile now. he was taking advantage of the approximaty voting available to members. he was part of broward and west palm beach. his death now puts democrats in an even more difficult position than they were in before. it lowers the at least hold for members. they could close on any given vote down to three dcs. so they are sticking together and that does not pass. they -- it is a long and interesting live. and the longest serving neighbor will be remembered in different

ways for all of those different roles serving the people of florida. carr ret, live for us on the hill, thank you. >> the lie of the capitol police officer that died will lie in honor. they said tide that billie ef advantages will be honored next tuesday. he died after a driver rammed his car into him and another officer. we will be bringing you that when it happens but for now we're going to take a gik quick break. k quick break. my seminars are a great tool to help young homeowners who are turning into their parents. now, remember, they're not programs. they're tv shows. you woke up early. no one cares. yes. so, i was using something called homequote explorer

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we expect the testimony to pick back up in the murder trial

for former police officer derek chauvin. we get a shot of the seal there when court is on pause. we expect the jurors to walk in momentarily. shaquille brewster is covering it for us and he is outside of the courthouse, along with paul henderson, keith hayes. we talked a little bit with gabe for what we heard as it related to george floyd's friend and the fact that he is trying to plead the 5th. we also looked at what we're expecting in today's testimony. can you bring us up to speed on what the jurors have seen so far. they're invisible to all of us so far. we're watching the live stream of the testimony, the judge, the prosecution. we cannot see the faces of the jury. only people in the room including the pool reporters.

so one or two max, i think just one reporter, right? they can go back to the rest of the team that is looking for information. what is your sense based on how they're reacting so far based on the remarkable testimony from yesterday with the police chief? >> yes, key moments in the courtroom, hallie. feel free to interrupt me if the judge comes back, but when you look at the reports, one for broadcast, one for print, when you look at the accounts from inside the courtroom there was a few moments that really seemed to stick out with the jury in terms of their reaction. they first saw george floyd, and he believed the cause of death was oxygen derivation or

asphyxia. nearly every juror was writing down and taking that note down. we also saw that the chief really connected with the jury and you could see that he would look over and make eye contact with the jury from time to time. it seems like when he made that final point, that point that derek chauvin's use of force did not comply in any way, shape, or form with the training, techniques, and the policies of the minneapolis department that was another moment when you saw the jury taking specific note of that. the chief used his hands to gesture what that restraint was. he was on the ground, face down, and they were trying to pull his legs back. they talk about the dangers of that and you want to roll someone over on to their side. they say each juror was focusing on the hand movements that the chief was making.

that was powerful testimony that we were hearing. we heard the key points from the physician, but it seems to also have been translating in the courtroom as the jurors were paying specific attention to what was being said and cross referencing their notes as we heard that additional testimony, hallie. >> rachael, the police chief was talking about the use of force argument. when you look at what we heard already we expect to hear from others and police officers here. how does the defense try to refute that in your view? >> they did try to refute it by under cutting the chief's own authority by claiming he had not been on the streets for awhile which is not particularly compelling given that he of course rose up. he had a strong response when he believed not just one but

multiple reasonable forces on neck restraints. on deescalation, on sanktity of life, on the duty to render aide, so it is hard to rebut when you heard from the chief overand overagain saying that sanctity of life is key to how we perform has law officers and how the public will judge us. we have to make sure it doesn't back nier a way that promotes lawlessness among the police force. >> keith, you say it is notable that the public, people at home and people at home are getting a very details look at police procedures and police policies here kbrp is that so important? >> we're never privy to the conversations that police officers have and certainly we don't get to review the manual.

you know i think that it would be important going forward that the residents of not only the minneapolis, but the police officers across the country. we need to understand what police officers are supposed to do or not do. we don't have to play a guessing game about improper police tactics. and i think, to be honest with you, when i heard that yesterday i wrote down notes and i really didn't understand that there was certain things they were not supposed to do. i'm looking at my notes and when i see medical conditions, mental impairment, develop mental disabilities, behavior crisis, and one thing they knew they should have proceeded with caution when it came to george floyd, as chauvin said, it sounds like he is on something, right? well the influence of drugs and

alcohol is in the policy manual. that should have given him pause and provided him the context on how to handle george floyd in that situation. regardless of the handcuffs, the prone position, resisting arrest, and all of the things he purported that george floyd was doing. going forward as a community, we now know what police officers are supposed to do and not supposed to do. >> we have seen the prosecution, we have seen some of this already, the presentation of the medical reports, the toxicology. if you're the defense in that situation, what should we expect to see from them moving forward? >> what you can see a different approach and the witness that's will be coming forward.

all of those medical experts are going to be really cross examined the way that we have seen so far. many of the doors have been closed off. the angry mob allegation, we met all of those people they were credible people that ranged from those people, so the cat agorization. the fact that they had something to argument about george floyd being belligerent, that was diminished by the testimony that we have seen so far. we have seen that he was impaired, limited, pass out. all of these triggered

responses. it left him with little to argue at the end of this case. i think you have seen them argue about the medical interpretation of how he died. he will put on his case for shauchb and he will move away from the testimony that we have heard from his supervises outlining why the reasonable standard was briefed by chauvin's standard of care that day as well. >> we expect that witness testimony to begin any minute now. looks like there is a little bit of a slight delay in the schedule. for now we're going to sneak in a quick break and we'll see you on the other side. a quick break on the other side.

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it's the easiest because it's the cheesiest. kraft. for the win win. i'm not sure if there's anything i can say to my family members to convince them to take the covid-19 vaccine. i'm not even sure if i'm convinced. hi darius, i think that people respond more to what we do than what we say. so after looking at all the data and the science about these vaccines, i got the vaccine. and i made sure my mom and dad got the vaccine.

because these vaccines are safe. ♪ ♪ we're back now with new warning signs for the covid crisis in michigan. a state where infections have soaring particularly among people under 40. we're also learning that michigan is seeing the biggest

rise in cases of the u.k. variant that could make up about 70% of all new infections. the "new york times" out as governor whitmer is starting a wig new plan. case numbers are climbing, a striking scene playing out in texas. have you seen the rangers home opener? packed with more than 38,000 people. that's just one of the shots of the crowd there. i want to bring in dr. azar. should we expect this to happen with spikes in cases for kwlounger people?

they are one in a series of vaccinations, i see a trance mission in younger folks, but i want to make the point that even though younger people may not succumb to the billness, they're a population that we worry about that will suffer as long cove vid. it is important to that in combination with the variant that gives us significant concern, hallie. >> what about this? it sounds like something out of a movie, a double mutant variant. . what is it and how concerning is it? >> all right, the short answer is that we don't know much about it just yet, but viruses mutate for a living, it's a combination of how many. so the fact that we have that

spike in protein, it is anchored to the human cell, is what experts are watching closely. it is not an item of interest or a variant of concern, but i think that might change. becoming a variant of interest there needs to be dramatic markers. and i think we have that there so this is something that we are currently following for the next couple days and weeks, hallie. >> sounds like being back live to minneapolis. it subpoena sergeant kerr yang. >> my name is ker yang.

>> good morning. >> good morning, sir. >> how are you employed? >> i am employed with the minneapolis police department. >> how long have you been employed with them. >> three or four years? >> what's your current position? >> it is the crisis intervention training coordinator for the department. >> could you tell us a little bit about yourself? >> i'll be 50 this year. >> and you indicated you have been employed by the mbd for 24 years? >> yes. >> could you share your

background? >> when did you complete your doctorate? >> back in ft. worth. >> after you started, did you go through the expressway? yes, i did. >> what year did you start? >> i started as a cadet. and from the cadet program i went through the economy. >> after you completed the course work, did you enter the field training program -- >> i think it was five or six months. a long time ago. >> after you completed your field training what was your first assignment? >> i was assigned to, if my memory serves me properly.

>> and how long did you serve as a patrol officer before being promoted to sergeant. >> i was a patrol officer for, i would say, not including special units i would say over ten years. >> can you tell me about the precincts you were assigned to and your assignments before you were a sergeant? >> i was assigned to the downtown precinct. i was also assigned to school patrol, e i went to the fifth precinct, then i was assigned to the fourth precinct. i went to robbery for my supervisor orientation, and then i was atined to downtown before i became a crisis intervention

training coordinator for the training unit. >> as a patrol officer have you been in a situation where it has been necessary for you to use snors. >> yes. >> have you ever arrested a suspect? >> yes. >> have you arrested a suspect that was reluctant to be arrest snd. >> yes. >> you had to handcuff people who were struggling? >> yes. >> and now you're the crisis training coordinator burden of proof are you assigned as the crisis training coordinator. >> i'm currently assigned to the training unit. >> where is that located? >> on the north side. at what we call the special operation center. >> can you please describe your role as a crisis training coordinator? >> as the crisis training coordinator i'm responsible for collaborating and coordinating with other professionals and

members and civilians that come and teach our officers in crisis and crisis coordination. >> what do you mean by crisis? >> crisis can mean any event or situation that is beyond a person's coping mechanism and during that sometimes they don't know what to do. >> could you please share some examples of types of crisis? >> it could be mental illness related or situational. if someone informs a car crash and they are just so affected by that they don't know what to do. that could be a crisis. that is an example?

>> intoxication? >> yes, that can be a crisis, yes? >> drugs or alcohol? >> yes. >> certain types of anxiety? >> yes. >> does the police department have a policy for persons in crisis? >> yes, it does. >> can you explain what that policy requires? >> the policy requires when it is safe and feasible that we do not escalate. >> and does the minneapolis police department, i'm assuming as a crisis training coordinator, you're aware of any training or tool that's it provides law enforcement officers to abide by this policy. >> yes. >> does that include training officers to recognize when people may be in crisis? >> yes. >> some of the signs and types of crisis? >> yes. >> and there is a specific crisis intervention training course that minneapolis police

department sponsors or puts on down at the training center, is that right? >> that's correct, yes. >> in your role as coordinator you bring the instructors in for that? >> that's right. >> have you been through the course itself? >> i have been through the course, yes, and i have sat through some of the courses, yes. >> exhibit 203 which we won't publish at this time contains some training records and they indicate that crisis intervention training was offered in 2016 and also 2018. and i would like to talk to you about the larger 2016 block. first i have to ask you do you know, do you recognize the name derek chauvin. >> yes. >> how do you recognize it? >> i recognize the name derek chauvin through training. >> you're familiar with this person? >> no. >> would you recognize him if you saw him? >> yes.

>> do you see him in the courtroom today? >> he has a mask on, i'm assuming that's him. >> may the record reflect that the witness identified the defendant. >> they participated in a lengthier course, a approximate 40 hour course. are you familiar with that type of course, the 40 hour crisis intervention training course. is that a course that you personally participated in as a student? >> that was delivered to the department to the officers by the officer associations. >> can you just in general terms explain what that course covers? >> that course covers individual and crisis symptoms and deescalation strategies.

it is a scenario based training. >> what do you mean by that? >> the trainer brings in professional actors to come in and to conduct crisis scenario where's they're in a state of crisis and the officer has to use deescalating strategies to bring them down to pre-crisis level. >> so the officers are given an opportunity to practice recogniing what may be signs of persons in crisis and help respond appropriately? >> yes. >> i would like to talk to you about some related concepts, are you familiar with the critical decision making model? >> yes. >> how are you familiar with that model? >> the critical decision making model was introduced to us by the police executive research

forums. we attended a training session that was conducted by a representative from the precinct. and we adapted that model to guide officers in their decision making process. >> does the critical decision making model is there an application to crisis intervention. the decisions have to be made contemporaneously, right? >> yes. >> at this time i would like to publish question 276, you recognize this document? >> this is a critical decision making model? >> yes. >> can you explain based on your familiarity with this, this graphic, the middle circle?

>> the middle circle what you see are voice, neutrality reason respect, and trust. those are the pillars of justice that were introduced to the department. >> what is procedural justice? >> it's the legitimacy in our action. what duo are legitimate, and that's what procedural adjustments are about is legitimacy. >> and the training center also offers courses in procedural justice as well, is that right? >> yes. >> this critical decision making model is adapted in part from those materials, the procedural justice materials? >> yes. >> going back to the outer part of the circle, the first step of information gathering and you see it goes like a wheel that is supposed to represent a critical decision making or thinking, is that right? >> that's correct. >> would you please, we heard a

little about this critical thinking decision making model already, but i would like you to discussion how this works starting with the first block. >> information gathering. we believe the model has applications for crisis but especially for crisis. that's why it is part of our crisis curriculum. the first circumstance that you three is information gathering. it is crucial to how and what tactics or decisions will be made. information gathering could be based on dispatch or it could be based on the home offices observation. >> observations of what? >> of the scene, of the person, of the environment that is going on. >> some of these observations could be physical observations right looking at a person to make an assessment if there is a behavioral crisis? >> yes.

>> listening is that important? >> yes. >> any other information that an officer would generally assess or take in when considering whether or not a person is in crisis? >> even listening, listening is key. all of the observation, even touch, for example. if your hand is on the person you can sometimes sense tensing. you can tell maybe the person is in crisis or not. >> and then going to the next step, taking that information and potentially assessing it, what is the threat risk assessment plot? >> risk is the possibility that something bad or dangerous may happen. and threat, in a sense, is the danger. and whether or not that kanger will cause harm or not. >> now with risk, you say it's the potential, right? it doesn't necessarily mean that the person is being threatened or themselves is threatened, is that right? >> that's correct.

>> just the mere possibility. many people could present some sort of a risk -- everybody presents some sort of a risk, correct? >> yes. >> it's up to the officer and the information gathering if that threat is small, large, or elevates to a threat. >> sustained. >> how does the officer assess if a threat is small, large, or could develop into a threat? >> that is up to the officers. and the situations and the information they have in that time. >> the next step then, after the threat or risk assessment authority to act, could you please describe how that step is taken in the context of crisis intervention. >> the authority to act is based on policy and also based on state statutes and case law, too, for a individual in crisis. those are some of the authority we have. >> some of those policies and

the authority could include the use of force policy? >> yes. >> the deescalation policy? >> yes. >> and the crisis intervention policy? >> yes. >> the next step then, goals and actions, please describe a thinking model in terms of crisis intervention regarding goals and actions. goals and actions is based on the contingency, it determines if that person needs help. do they need to go to the hospital or do they need to be turned other to somebody that has the authority to watch over that person. so for someone in crisis, you have to see if that person needs help. >> and the next block in terms of crisis intervention, you can reassess, can you please describe how that works in that

scenario? >> reassess as information comes available. you continue to reassess the situation to see if our technique on deescalation is working. if it is not working we readjust our technique. >> could you also adjust your g and actions? >> yes, you can. >> for example, if initially the goal is to arrest someone after taking in information, if you determine the person needed medical attention, could you act on that? >> yes. >> and what would the action be if the person was in need of medical attention? >> that would be the immediate goal for us. if someone is in need of medical attention, we get them medical attention. >> that would also relate to the backwards to the authority to act, right? >> yes. >> looking at the policy and there's a duty to provide medical attention in the policy, right? >> yes. >> now how is this critical

decision making model imparted to minneapolis police officers in the training program? >> we believe in the application of this decision making model. so i introduced this model with approval, of course, to the department in 2018. >> and you've been in the situation you've had to use force before. you were in the field for a long time. do you have an assessment as to whether or not this model is useful in the field? >> i believe it's useful. that is why we introduced this model, and it's useful to the officers. >> and is it practical? >> it is practical. i believe it is practical. >> can you explain how so? some of these situations involving police officers occur fairly quickly, is that right? >> that is true. >> is it possible for a police officer to use this critical thinking model in the field when

actions are -- i'm sorry, when events are unfolding quickly? >> it is possible through rehearsing and reusing the model it could be almost like memory. we talk about fast-evolving situations, i know they do exist, they do happen, but a lot of the time converse of that a lot of the time we have the time to slow things down and re-evaluate, re-assess and go through the model. >> do you provide this training because you believe it works? >> i provide the training because it works, yes. >> thank you. i have no further questions. >> mr. nelson?

>> good morning, sir. >> good morning, sir. >> thank you for being here with us today. i have a few follow-up questions. so your role with the minneapolis police department is currently training officers involved in crisis intervention techniques? >> that's correct. >> as well as the critical decision making model, correct? >> that's correct, sir. >> and you assisted the minneapolis police department in developing its policies and procedures surrounding both the crisis intervention technique as well as critical decision making policies, right? >> yes, sir. >> you said you introduced these

policies with the approval from the chief or the higher ups, right? >> it has to be approved before we can deliver the training, yes. >> and these trainings then ultimately helped form some policies of the minneapolis police department? >> yes, but not the quick decision making model. it's not in the policy. >> but the crisis intervention technique is in the policy? >> crisis intervention is in the policy, yes. >> okay. and you have a long career as a police officer both in the field and also in the training and investigation units. and so you have your own personal experiences in dealing with people out on the street, right? >> that's correct, yes, sir. >> now, are there situations in your own experience where you've had to use force on someone and other people observing the use of force don't like what you're doing? >> yes, sir. >> and, in fact, i believe you would describe sometimes that the public doesn't understand

that police actions can look really bad? >> that's correct, sir. >> but they still may be lawful even if they look bad, right? >> yes, sir. >> and part of the whole goal of the crisis intervention vek nek technique and policy is to deal with people watching. >> that's correct, sir. >> in situations where citizens or bystanders start to congregate and watch what police are doing, you would agree that could potentially become a crisis for those observers? >> potentially, yes. >> and you train officers on how to deal with those situations, right? >> that's correct, yes, sir. >> when we look at the critical decision making model, not policy, but the critical decision making model, that is what you would describe as a

rapid, very dynamic model, right? >> yes, sir. >> it's not just focusing on one particular thing, it's assessing many, many things that are happening in the context of an arrest, right? >> yes, sir. >> and some of those things could be the interactions that you're having with citizen observers, right? >> yes. >> and the training that you provide, there are materials that the department maintains, correct? >> that's correct. >> i'm going to ask the court to just display to the witness -- what has been marked as exhibit 122. do you recognize this to be training materials prepared by the minneapolis police department crisis intervention team? >> yes, sir. >> all right. and so i'm just going to go --

so i'm going to have you look at this -- this is the material and the training materials that the crisis intervention team present to the officers in this 40-hour training, right? >> no, sir. >> this is the training you received? >> this is the training i created. it wasn't delivered to chauvin or the other officers. >> this is something you created to train minneapolis police officers? >> yes. >> all right. and this is a more recent model than the 2018 modle? >> this is a program we created to target the recruit and the cadet academies. so this is separate from what chauvin and the other officers went through. >> but some of the information is generally applicable to all police officers who are trained in crisis intervention as well

as de-escalation, right? >> yes, sir. >> and officers are trained to look for potential signs of aggression from suspects or crowd observers, right? >> yes, sir. >> and what are some of the potential signs of aggression that officers are trained to watch for? >> based on this document that you see here it could be standing tall, red in the face, raised voice, rapid breathing, tensing, agitation, pacing, gestures. >> so an officer who is making an arrest of a suspect and there's bystanders watching and growing in their intensity, these are the types of behaviors that officers are specifically trained to watch for from either the suspect or observers, right? >> yes. >> your honor, sidebar?

and a good tuesday morning, everyone. craig melvin here. we have been watching and listen to go testimony in the murder trial of derek chauvin. chauvin the former minneapolis officer charged with killing george floyd. we are watching another one of these sidebars between the judge, judge cahill, and the attorneys, the man testifying is sergeant ker yang. we've been listening to sergeant yang for a while now this morning. sergeant yang is the person at the minneapolis police department who is tasked with training officers in crisis intervention and de-escalation as well. we heard the sergeant walking the prosecution at first through

the department's model for making critical decisions. and he is being cross-examined right now. a running theme of this trial is something we do not see very often. police testifying against one of their own, including, of course, on monday the chief of the minneapolis police department. before testimony even started this morning we got our first look at a man who was in the vehicle with george floyd right before that deadly encounter with derek chauvin. both the prosecution and the defense have subpoenaed a man named morries hall, but if he's called to testimony, hall said through his attorney that he would invoke the fifth amendment. i want to bring in the panel right now. david henderson, former prosecutor, civil rights attorney, a former prosecutor, a former defense attorney, also the host of