about a probation violation. while officers were familiar with the 30-year-old s arrest history, the video is called disturbing. at the end of the day, it appears to be excessive. reporter: pusok s family is considering a lawsuit and experts on the use of force says the footage raises serious questions. characterize this video. very disturbing. it looks to me as if he should have been handcuffed when he assumed the position. reporter: pusok out of the hospital is in jail, due in court monday hallie jackson, nbc news los angeles. yet another incident caught on tape. this time in arizona where a family of six got into a violent brawl with police in a walmart parking lot leaving one person dead and one officer injured. officers used batons pepper spray and even tasers on those fighters but later defended the use of force. i believe it was justified. he still had control of sergeant daniel s weapon. he was on top of sergeant daniels and sergeant daniels had