Nick Gordon is now under investigation for several injuries found on partner Bobbi Kristina Brown's body after being discovered unresponsive in her bathtub in Roswell, Georgia on Jan. 31.

Gordon has been physically abusing her 21-year-old partner, a fact that the couple's fiends know of, TMZ reported. The ongoing investigation of the new developments of the case has not come as a surprise to the suffering lady's family and friends who knew that Gordon is a jealous man.

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Numerous sources have shared that Gordon, for the longest time, is showing jealousy to the fame that the daughter of the "Soul Diva" is receiving. Though she is Whitney Houston's daughter to ex-husband Bobby Brown, Gordon feels like he must get the same attention because the late Diva took him into the family and raised him as her own since he was 12 years old.

People who are close to the couple have said that the couple still call each other "big brudder" and "baby sis", but after Houston's death on Feb. 2012, the couple went public with their affair.

Reports have cited that the couple were offered a television series, but since Bobbi got a higher offer than him, they both turned the project down.

Bobbi's injuries on her mouth and face areas sparked the investigation against Gordon, WSB-TV reported. All injuries were found when the police came in response to a 911 call to Gordon and Bobbi's home on Jan. 31.

Bobbi was found unresponsive, face down by Max Lomas, a friend of the couple. Lomas reportedly screamed, administered CPR and called 911.

Aside from the facial injuries on Bobbi, police is also investing on the drugs that were found inside their home.