HAYWARD, Calif. (KGO) -- The man who was killed in brutal stabbing on BART Tuesday died a Good Samaritan. BART confirmed the victim was attempting to stop the suspect from stealing another passenger's property.The suspect is accused of fatally stabbing the Good Samaritan during a fight on a Warm Springs BART train. The train left the Bay Fair station, Tuesday afternoon. At around 1 p.m., BART Police started to receive calls about a fight in progress."The fight continued through our Hayward Station," Interim BART Police Chief Ed Alvarez said. "At which point a knife was introduced into the fight between two males."South Hayward BART Station was closed for hours as a result of the deadly stabbing but has since reopened.The suspect's violent behavior didn't stop there.In the suspect'sattempt to escape, he got off at the South Hayward station. He ended up a block away, at Elias Motors Inc. where salesman Steve Castro was showing a van to an elderly couple."Soon as I open it up, somebody grabbed my arm. I thought it was a customer," Castro explained. "But I looked to the side. It was some weird guy with no shirt on. I'm like, what the hell?"At that point, Castro had no clue about the homicide scene unfolding on BART.He said the suspect then grabbed the keys to the van and tried to take off.Castro wasn't giving up so easily."I started hitting him, fighting with him. He started hitting me too," he said. "I hit him a couple times and we got in the middle