Robinson said his migrant pal smoked about $30 worth of the synthetic drug every day and lost it when he drank.

Calil, an illegal migrant from Guatemala, calmly approached a woman on a New York subway and lit her clothes on fire, with surveillance footage showing the man

In one video, Zapeta-Calil is seen sitting near the flames while other onlookers filmed the tragedy on their phones and police officers walked past.

A man identified as a person of interest in the killing of a woman set on fire while sleeping in a subway car, Sebastian Zapeta, has been taken into NYPD custody.

Sebastian Zapeta-Calil ID'd as illegal migrant accused of setting woman on fire riding NYC subway, hit with murder and arson chargesThe illegal Guatemalan migrant accused of torching a sleeping

The man accused of killing a woman on a New York City subway train by setting her on fire was charged with murder and arson in an initial court appearance on Tuesday. Sebastian Zapeta, a 33-year-old man who police say lives at a homeless shelter in Brooklyn,

The "person of interest" was taken into custody hours after the attack while riding another train, according to NYPD Transit Chief Joseph Gulotta.

Prosecutors on Monday charged 33-year-old Sebastian Zapeta-Calil with first- and second-degree murder and first-degree arson in connection with the death of a woman who died after being set on fire in a New York City subway train a day earlier.