VOLUSIA COUNTY, Fla. — A Florida man who was convicted of aggravated assault for his role in the deaths of two spring breakers in 1998 was killed by a freight train Sunday night while he was lying across the railroad tracks, investigators said.>> Read more trending newsThe Volusia County Sheriff’s Office said Christopher Trull, 48, was hit by a Florida East Coast Railway train before 7 a.m. in Oak Hill, WFTV reported.Trull was one of three brothers convicted for the killings of two Maryland men visiting New Smyrna Beach for spring break on April 16, 1998. Earlier that day, Joshua Trull had gotten into a fight with a group of spring breakers from Maryland. He later returned with his brothers, Jonathan and Christopher Trull, as well as four other men armed with knives, bats and a sock filled with a cue ball.Matthew Wichita, 21, and Kevans Hall II, 23, were…