A man accused of driving the wrong way and causing an interstate crash in Vermont that killed five teenagers in 2016 is planning an insanity defense.

The Burlington Free Press reports Steven Bourgoin's lawyer filed court documents Thursday indicating his client will plead not guilty by reason of insanity.

Police say Bourgoin caused the Interstate 89 crash in Williston, Vermont, before stealing a police cruiser and causing more crashes. He had previously pleaded not guilty to murder charges.

A report released by state police last year shows Bourgoin had THC in his system hours after the crash on Oct. 8, 2016. THC is the chemical in marijuana that makes people high.


Information from: The Burlington Free Press, http://www.burlingtonfreepress.com