Exclusive | Sebastian Zapeta-Calil, accused of burning woman to death on NYC subway, often bugged out after smoking K2, shelter roommate says

The illegal Guatemalan migrant charged with torching a sleeping straphanger to death on a Brooklyn subway train was a heavy drinker who chain-smoked K2, pals at the homeless shelter where he was living told The Post.Sebastian Zapeta-Calil, 33, who was arraigned on first-degree murder charges Tuesday, started his Sunday calmly enough at the Samaritan Village Forbell men’s shelter in East New York, sharing a breakfast of French toast, sausage and grits at the facility with one of his roommates – before things took a gruesome turn.“He said, ‘I’m going out to make my normal run,’ then the next thing I hear what he did on the news,” said Raymond Robinson, who slept next to Zapeta-Calil at the shelter.“He smoked K2, drank and bugged out,” Robinson said.“He would bug out and talk to himself when he was high, but he never harmed nobody or himself.

When he wasn’t high he’d talk like we’re talking regular.”But Robinson said his migrant pal smoked about $30 worth of the synthetic drug every day and lost it when he drank.Police said Zapeta-Calil told them he was so boozed up on Sunday morning when he allegedly set the unidentified woman on fire on an F train at the Coney Island station that he doesn’t remember what happened.This is a developing story.Please check back for updates....