Bronx murder mystery: Cops find man dead and covered in blood in back of ambulette

Bronx detectives are investigating the mysterious death of a man found in the back of a private ambulette parked on a local street Monday.Law enforcement sources said the grisly discovery occurred at about 10:29 a.m. on Jan. 13 outside of 201 Castle Hill Ave. near Castle Hill Point. According to sources familiar with the investigation, the vehicle may have been left abandoned in the community for some time.Officers from the 43rd Precinct, in responding to a 911 call, found a 64-year-old man dead