The Boston Police Department is asking for the public's help in locating a murder suspect. Roberto Mulero has been identified as being responsible for the 2005 stabbing murder of Dakermu V. Kollie.On December 18, 2005, at approximately 5:40am, officers from District 3 responded to 55 Colonial Ave. in Dorchester for a report of a person stabbed. On arrival, officers located Dakermu V. Kollie suffering from an apparent stab wound to the abdomen. The victim was transported to Boston Medical Center where he was later pronounced dead. Roberto Mulero’s arrest warrant was applied for and granted as a result of the investigative efforts of the Boston Police Homicide Unit. Suspect Description: Race: Hispanic Gender: Male Age: 22 Complexion: Light-skinned Hair: Black Eyes: Brown Height: 5 ft. 9 in. Lbs: 160 License Plate: unknown Last Known Address: Dorchester Anyone with information about the whereabouts of Roberto Mulero is urged to contact Boston Police Homicide Detectives at 617-343-4470 or to remain anonymous call the Crime Stoppers Tip Line at 1-800-494-TIPS. Identities of callers wishing to remain anonymous shall be protected.