NEW: "This just shouldn't be," actor Robert DeNiro says
Philip Seymour Hoffman described his struggles with addiction in 2011 "60 Minutes" interview
Police are investigating the scene; an autopsy is scheduled for Monday
Law enforcement sources tell CNN that a needle was found in Hoffman's arm
For an in-depth look at the life and death of Philip Seymour Hoffman, watch CNN at 10 p.m. ET.
Oscar-winning actor Philip Seymour Hoffman was found dead in his Manhattan apartment Sunday of an apparent drug overdose, law enforcement sources said.
Police said Hoffman, 46, was found on the bathroom floor and pronounced dead at the scene. Investigators found two bags of what is believed to be heroin inside the fourth-floor apartment, law enforcement officials said.
“We are devastated by the loss of our beloved Phil and appreciate the outpouring of love and support we have received from everyone. This is a tragic and sudden loss and we ask that you respect our privacy during this time of grieving,” Hoffman’s family said in a statement. “Please keep Phil in your thoughts and prayers.”