A California mother was charged after her toddler died in a hot car while she tended to a marijuana grow site.

An attempted pot robbery erupted in gunfire at a Portland home, killing four men involved in the drug deal.

Two 16-year-olds were charged with first-degree murder after luring and killing a teen marijuana dealer during a staged robbery.

Oen Evan Nicholson killed his father, two RV park victims, and a woman at a marijuana dispensary before fleeing across state lines.

A 4-month-old in South Carolina was killed after ingesting cocaine through feeding bottles; parents also tested positive for marijuana.

Justin Mendez was speeding with marijuana in his car before a fatal head-on collision that killed him, an Uber driver, and three passengers.

Albert Donadio was charged with marijuana DUI causing death after striking 13-year-old Anthony Jugo, who was walking along a dark street.

Jayjuan S. Smith admitted to using marijuana before causing a fatal crash that killed a motorcyclist; his blood contained 6.9 ng/mL of Delta-9-THC.

Sudesh Amman, a heavy cannabis user, stabbed two people in London before being shot dead by police.

Renae Emerick had THC and alprazolam in her system when she caused a deadly head-on collision in Pennsylvania.