Justin Mustafa,24,  from Massachusetts has been arrested for holding his girlfriend captive for days and forcing her to perform a sex act on his dog while he filmed.
According to reports, he was also accused of beating and choking her even forcibly injecting her with multiple doses if heroin, Cape Cod Online reported.
Finally, about a week later, the woman was able to report the incident at the Falmouth police station.
On Monday, Mustafa pleaded not guilty in Falmouth District Court to charges of assault and battery, assault with intent to murder, assault and battery with a dangerous weapon (a belt), bestiality, intimidating a witness, five counts of assault and battery with a hypodermic needle and malicious destruction of property valued at less than $250.