Twenty-seven years after a clown carrying flowers and two balloons shot a woman to death at her front door, Florida authorities announced an arrest in one of the more bizarre cold case investigations in a state known for bizarre crimes.

Sheila Keen Warren, 54, was arrested without incident in Washington County, Virginia, on a charge of first-degree murder with use of a firearm in the killing of Marlene Warren, 40 — her current husband’s previous wife — in 1990, officials said Tuesday. Read More…