The suspect, who relatives said had mental health disabilities, was spending the weekend with his father and stepmother while his mother was out of town, according to police.

Brian Crossman Sr., 46, his wife Erica (Pawlusiak) Crossman, 41, and Erica’s son and Brian’s stepson, Colin Taft, 13, were found dead in their Pawlet, Vt., home early morning on Sunday, Sep. 15, the Vermont State Police said in a statement earlier this week.

PAWLET, Vt. — Police on Friday arrested a 23-year-old man with a history of mental health issues in the shooting deaths of his father, stepmother, and stepbrother, a crime that has badly shaken this small town in western Vermont.

Vermont State Police say the son of one of the victims killed in Pawlet has been arrested. Brian Crossman Jr., of Granville, New York, was arrested by New York State Police on Friday. He is facing three counts of aggravated murder arising from the fatal shootings of his father,

Brian Crossman Jr. was arrested in Granville, N.Y. on three counts of aggravated murder stemming from the fatal shootings of Brian Crossman Sr., 46, his wife Erica Crossman, 41, and her son Colin Taft,

A man was arrested after allegedly killing his father, stepmom and her teen son inside their Vermont home earlier this week — then calling cops to report the grisly crime, authorities said. Brian Crossman Jr.

Brian Crossman Jr., 23, of Granville, New York, faces three counts of aggravated murder in the fatal shootings of his father, stepmother and stepbrother on Sept. 15.