Court TV

A clown carrying balloons and a basket of flowers shot and killed Marlene Warren when she opened her front door in 1990. Even though police suspected Warren's ex-husband and his then-girlfriend, it would take decades to make an arrest.

During a quiet summer evening in 2017, a woman dials 911 to report her husband is dead on the floor of his snake breeding facility.

Michael Durenleau's life is cut short with a knife through the heart in the darkness.