Video of fire victims' final moments is key in Conception boat captain's manslaughter trial

Prosecutors say Jerry Nehl Boylan's gross negligence and inattention to duty caused the deaths of 34 people on a Labor Day weekend scuba-diving trip in 2019.

Jerry Nehl Boylan (back) leaves the federal courthouse in downtown Los Angeles, California, with Mark Neer, an investigator with the Central District of California federal defender's office, on Tuesday, Oct. 24, 2023. (Photo by Meghann M. Cuniff/Splash News copyright)

Two to three minutes after the captain jumped into the Pacific Ocean, one of the 34 peo…