Detectives in Macomb are searching for two missing pipeline workers. Juan Bustamante and Francisco Villa were reported missing last Thursday night. Their roommate called authorities after spotting blood inside the home on East Murray Street. Police say both men's cars and personal belongings were missing. Bustamante's car was later discovered in the Walmart parking lot but Villa's 2001 Volkswagen Passat with Wyoming license plate 5-3-2-1-3-9 is still missing. Anyone with information should contact authorities.