Rolando Rivera Arroyo, 73, was found dead outside Christ the King Church in Tampa on August 16, 2012. Arroyo, a homeless man who used a wheelchair and often spent time near the church, had been stabbed and run over multiple times; his body was discovered lodged under a vehicle driven by Michael Marston, 33, a Publix deli worker.

Marston was arrested after being found near the scene, but he refused to cooperate with investigators. The motive for the killing remains unclear.

If anyone knew Arroyo’s movements around the church that day or saw anything suspicious in the area that afternoon, please share what you remember.