Source says opioids were found on Prince, Dr. Drew reacts

A law enforcement source tells CNN that authorities investigating the death of Prince found prescription opioid medication on him and in his home the day he died. The pills are commonly are used to treat pain and investigators have brought in the DEA to help with the probe. Dr. Drew and his special guests -- the co-hosts of "The Real" -- honor the music legend and explain why the need to know how he died.