Police say they want to question a man in connection to the stabbing of a Brooklyn father who went out to buy milk.According to officials, 44-year-old Anthony Senisi Jr. was on his way home from the errand around 11 p.m. Saturday at Brighton Sixth Street and Brighton Fourth Terrace when he was stabbed to death. Police say they don't know what the motive behind the attack was.Nineteen-year-old Mejia Cinto is wanted for questioning related to the incident. Anyone with information on the incident or the whereabouts of Cinto is asked to call Crimestoppers at 1-800-577-TIPS. Click here for photo of Mejia Cinto