Danbury police continue to investigate a homicide in the city in March .
Investigators plan to scour Danbury resident Mario Imbesi's phone records, which they hope will produce leads in the March homicide.
Imbesi's had some involvement in the murder-for-hire case of a Genovese crime family member . Imbesi testified before a grand jury in a murder -for-hire case in springfield mass.
Police discovered Imbesi's body on March 16 in the second-floor apartment he rented at the Farview Terrace condominium complex.
The state medical examiner reported that Imbesi died of trauma from a blow to the head.