Grant Thompson, 18, died by intentional snakebite; marijuana and amphetamines were found in his system.

Chandler Kania, 20, killed three while driving the wrong way high on marijuana and drunk.

Matthew Graham, 23, smoked marijuana concentrate before his baby went missing and was killed in a shootout.

Sam Ellis, 18, tested positive for marijuana and alcohol after a crash that killed two teens.

A man who hit six people, killing one, had marijuana in his car and had just left a dispensary.

William Porter, 17, admitted to smoking marijuana before a crash that killed 47-year-old Joseph Marshall.

Kaitlin James, 19, admitted to smoking marijuana before fatally striking Pastor Eric Renz.

William Klein, 34, admitted to daily marijuana use after killing two teens in a PE class crash.

Odilon Paz-Salvador told police he drank six beers and smoked marijuana before killing cyclist Mark Hinkel.