While Bobbi - who is the only daughter of Whitney Houston and Bobby Brown - is currently "fighting for her life" in hospital, an investigation has been launched into the circumstances in which she was found after police conducted a second search of the property.
Roswell Police Department are said to have discovered the narcotics shortly after the 21-year-old actress was
He was also charged with possessing a firearm or knife while attempting to commit a crime.
While the police department originally reported they had found no traces of drugs in Bobbi's home, they have since revealed they believe she may have been under the influence when she was discovered by the pair in the bathroom.
Bobbi - who is thought to have spent up to eight minutes underwater - has been placed in a medically-induced coma after being found with "no heartbeat".
Although she is said to have "opened and closed" her eyes a few times on Monday, a source close to the family said she remains on a ventilator in the intensive care unit and doctors have warned that they won't be able to tell if she has suffered brain damage until the sedatives can be reduced.