Cincinnati police have identified the three people found dead inside a College Hill home following an hours-long SWAT standoff.Police said 78-year-old Patricia McCollum, 32-year-old DJ McCollum and 11-year-old Cadence McCollum were found dead with stab wounds inside a home on the 1000 block of Springbrook Drive.Officers responded to the home shortly before 8:30 a.m. Thursday for "an unknown trouble," police said. When they arrived, they learned there was an adult male inside with a knife.After hours of negotiating, the adult male now identified as 66-year-old Anthony Mathis was taken into custody and brought to University of Cincinnati Medical Center with self-inflicted stab wounds. Police said Mathis later died from his injuries.Police did not provide any information on the victims' relationship with the suspect. Anyone with information in this stabbing is asked to call CPD's Homicide Unit at 513-352-3542.