LAKELAND, Fla. (WFLA) – Police have made an arrest in the killings of former Lakeland city commissioner Edie Yates Henderson and her husband David Henderson. Marcelle Waldon, 36, is charged with 10 felony counts, including first-degree capital murder in connection with the killings, which happened at the couple’s home on Lake Morton Drive, according to police. Police believe Waldon got into the home through an unlocked door, and said the crime scene was “absolutely horrific” after he allegedly stabbed the couple to death. Police believe Waldon had tried to set their home on fire. When they got to the home,...