when a person is handcuffed and then rendered unconscious that officers need to use caution in unhandcuffing them to revive them? >> not aware of that, no. >> you as part of your analysis review any materials regarding the lateral neck restraint? >> yes. >> just looking in front of you, did you look at this training material? >> yes. >> officers are trained that if cpr is needed, you use handcuffs first, correct? >> yes. >> and to use caution because the subject could revive and be combative? >> yes. >> they passed out and then came to. >> and then they fought you more? >> yes. >> looking at what is already in evidence of the 2019 use of force manual, at slide 41, this is what we are talking about in terms of the prone arm control, right? >> yes. >> you see a photograph here, an officer's knee appears to be a cross the shoulder blades and the head and neck area of the person, right? >> yes, as he is attempting to handcuff -- >> your honor, not an objection, but just -- >> i have it listed as 1031. that's what i have it at. i don't remember what you have -- >> it's the 2019 use of force manua