erin mclaughlin has details. >> reporter: nasa is gearing up for another first for the red planet.ry making power flight on mars >> i'm just on the edge of my seat it is the first time we will have ever demonstrated controlled, powered flight on any other body, anywhere other than earth. >> reporter: known as ingenuity, it's 19 inches tall, weighing in at just under four pounds, powered by solar panels. scheow morning you see it here, testing out its blades the very first flight the helicopter is expected to kick off only a few feet from the ground, hover in the air for 20 to 30 seconds, then land. >> it's actually really hard to fly on mars.y much atmospherelybout 1% of the atmosphere we have on earth. it has to listen to commands and do everything all on its own. >> reporter: ingenuity arrived on mars, attached to the belly of nasa's perseverance the $80 million project operates independently. >> if we can prove we can do it, it opens the landscape for all kinds of new ways to explore other parts of the solar system. >> reporter: what are the odds that this will be a success tomo

the ingenuity was taking off this morning nbc's erin mclaughlin has the details. >> reporter: nasa isearing up for another first on the president planet a history making power flight from mars. >> i'm just on the edge of my seat it is the first time we have demonstrated controlled powered flights on any other body other than earth >> reporter: known as ingenuity, it's 19 inches tall weighing in just under four pounds powered by solar panel scheduled to lift off early. you see it here testing out its blades the very first flight, the helicopter is expected to take off only a few feet from the ground hover in the air from 20 to 30 second then land. >> it's actually really hard to fly on mars. there's just not very much atmosphere there's only about 1% of the atmosphere we have on earth. it has to do everything on its own. >> reporter: ingenuity arrived on mars abatched to the bell of the perseverance but it operates independently. >> if we can prove we can do it, it opens the landscape or all kinds of new ways to explore other parts of the solar system. >> reporter: what are the odds th

tennessee high school the tennessee in knoxville where police found the gunman in the bathroom erin mclaughlin the latest developments. >> reporter: a community on edge after a shooting at a high school in knoxville, tennessee there are at least two gunshot victims including a police officer. one male pronounced dead at the scene, another detained for further investigation. >> pray for that situation and for the families and the victims that might be affected by that in our state >> i was really glad to have the opportunity to meet with the officer who was hurt and he's conscious and in good pirits. >> reporter: it happened at 3 p.m. knoxville is a community hit hard by gang violence. since the beginning of the year at least four teenagers have been shot and killed near the school ten homicides have been reported within a mile and a half of the radius of the school in the last year >> we losing our kids at an early age. >> reporter: the community reeling and renewing calls for action erin mclaughlin, nbc news. >>> covid vaccines are on the rise but outbreaks are threatening our progress 131 mi

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us or these parents. >> reporter: tonight the community reeling and renewing calls for action erin mclaughlin, nbc news >>> in just 60 seconds, calls for new restrictions in the state that's now become the covid epicenter. and jon stewart's important new mission. our conversation coming up. new mission, our conversation coming up. or, give you unusually high energy, even when depressed. overwhelmed by bipolar i? ask about vraylar. some medicines only treat the lows or highs. vraylar effectively treats depression, acute manic and mixed episodes of bipolar i in adults. full-spectrum relief for all bipolar i symptoms, with just one pill, once a day. elderly patients with dementia-related psychosis have an increased risk of death or stroke. call your doctor about unusual changes in behavior or suicidal thoughts. antidepressants can increase these in children and young adults. report fever, stiff muscles, or confusion, which may mean a life-threatening reaction, or uncontrollable muscle movements, which may be permanent. side effects may not appear for several weeks. high cholesterol and weight ga

erin mclaughlin has details. warning, some of the video is disturbing >> stay with me, peloton. you got it >> reporter: tonight, a rare and urgent warning from the agency charged with keeping consumers safe stop using the peloton tread plus immediately if you could have a pet, child, or object around this device noting the popular treadmill poses serious risks to children for abrasions, fractures, and death. >> we hope that we will reach a voluntary recall and a stop sale >> reporter: a consumer product safety commission releasing this disturbing video showing two children, unsupervised, playing on a peloton tread plus you see the little boy pulled under the 450-pound machine. eventually, the child escapes uninjured. >> we've had 39 incidents of objects, a pet, and worst of all children being sucked underneath this device and we believe that the public health and safety warrants putting this warning out. >> reporter: peloton released a statement refuting the warning from the cpsc. saying it's troubled by the unil

we've got complete coverage this morning, let's get it started with nbc's erin mclaughlin. od morning to you. >> reporter: good morning, savannah. here in california, the governor announcing a new goal to reopen the states fully by mid-june. welcome news for the place once considered the virus epicenter. experts warn we're not out of the woods. in the race between the vaccine and variants. >> let me be deadly earnest with you, we aren't at the finish line. >> reporter: president biden issuing a stern warning. too many are letting their guard down too soon. adding, americans have a choice. >> we can have a safe, happy fourth of july. the real question is, how much death, disease, and misery are we going to see between now and then? >> reporter: despite surpassing the 150 million shot milestone, the vast majority of americans have yet to be vaccinated. president biden ordering states to make the vaccine available to all americans 16 and older by april 19th. >> no more confusing rules. no more confusing restrictions. >> reporter: 36 states have already met that goal, including

clot johnson & johnson vaccines in america could prevent 2200 icu admissions and 1400 deaths erin mclaughlins live for us. >> reporter: here at this vaccination center, the johnson & johnson shot is essential component to their overall strategies south la was hit extremely hard. 25% they estimate were testing positive for the virus efforts like what you see behind me are essential just over this way you can see they're preparing the doses, all three vaccines being offered today, johnson & johnson and pfizer and moderna over this way is a group of people waiting to make sure they have no adverse reactions to the shots itself everyone receives a j&j shot will receive a copy of this literature outlining those rare side effects of blood clots, and really seen as an important component in terms of educating people and making them aware should they have those rare effects. the j&j shot is an essential component to their overall strategy and explain why >> we have other pay shtients traveling outside the country who really wanted j&j or those living here came here to get the j&j. people in the comm

scott peterson was sentenced to death after murdering his pregnant wife laci and their unborn son erin mclaughlinn court and before a judge. erin, good morning. >> reporter: savannah, good morning. scott peterson was in court yesterday, though virtually this time for years, the convicted murderer maintained his innocence and argued his original trial was flawed. a judge granted more time for his team to pull together their new defense. nearly 17 years after being found guilty of murdering his wife laci and unborn child, scott peterson was back in court on tuesday, appearing over a zoom call from prison. no cameras or recordings were allowed. it is part of a push by his defense team to retry the case last year the california court ordered a second look at the case, and yesterday the judge allowed more discovery time relating to two separate issues tied to his 2004 conviction. one, alleged juror misconduct, which his defense is pushing for a full retrial the other tied to his now overturned death sentence. peterson has served more than 16 years at san quentin state prison, convicted of killing his

mclaughlin live at a vaccine center in los angeles wher nbc's erin mclaughlin live at a vaccine center in los angeles where they're giving the j&j vaccine again. hi, erin. >> reporter: shep, here at this vaccine center officials say the j&j shot is an essential component to their overall strategy south l.a. was hit extremely hard by covid-19 25% they estimate were testing positive for the virus and so efforts like what you see behind me are absolutely essential. just over this way you can see they're preparing the doses -- all three vaccines being offered today, j&j, pfizer and moderna you can see this way is a group of people waiting to make sure they have no adverse reactions to the shots itself. everyone who receives a j&j shot will receive a copy of this literature outlining those rare side effects of blood clots and really seen as an important component in terms of thist in officials tell me the j&j shot is essential to their strategy they explained why take a listen. >> we had other patients who were traveling outside of the country, adamant they wanted the j&j dose who live here