VIDEO: A witness is being credited with helping catch a suspect who set a man's $36,000 on fire. Glendale Police report that on Feb. 7 they received a call regarding a vehicle fire near 51st Avenue and Bethany Home Road. Police say a witness chased down and was holding the suspect who started the fire. Police found 18-year-old Juan Carlos Pina Merlos with burn marks on his hands and clothing. He also smelled of gasoline, officials said. Merlos reportedly told police that he was hired by 19-year-old Tommy Acosta to take the car and burn it. Acosta was apparently struggling with the car payments on the $36,000 car.