The Phoenix Police Department opened an investigation into two officers after videos showed them attacking a young man and threatening to shoot his pregnant fiancée.

On their Facebook page, the Phoenix Police Department released a 12-minute video of the incident and other videos taken by bystanders have gone viral.

The terrifying video shows two hysterical officers approaching a car with their guns drawn while screaming and cursing at 22-year-old Dravon Ames, his pregnant fiancée Iesha Harper and their two small children.

"I'm gonna put a f**king cap in your fucking head. Put your f*****g hands up," the officer screamed at Ames and Harper.

"You're gonna f**king get shot!" 

Ames got out of their car and was immediately attacked by another officer. He was punched repeatedly and kicked in the knees before being handcuffed and pushed against a car. The other officer who had been screaming began threatening Harper and the two kids in the car.

He dragged the visibly-pregnant Harper out of the car as she held their 1-year-old daughter. He yanked one of the children out of her arms and violently handcuffed her.

Both Harper and Ames were not arrested and were not charged with anything. They were released after being handcuffed at the scene while onlookers took video.

The couple was at the apartment complex to drop their children off at daycare and police said they were responding to a report of theft at a local Dollar Store. It was later revealed that the couple's young daughter mistakenly took a doll from the store without them knowing.

"He just seemed like he was trigger happy, he wanted to shoot someone that day," Ames said at a press conference on Thursday.

"He was ready to kill someone, he was bloodthirsty."

The Phoenix Police Department has refused to name the officer who was on video attacking Ames and the shouting officer, who later told Harper that he "could have shot you in front of your f**king kids."

A police spokesman told on ABC15 (KNXV-TV) that the officer who punched and kicked Ames has been placed on "non-enforcement assignment" while the officer who threatened to shoot Harper is still on active duty.

Ames and Harper have filed a $10 million notice of claim against the city of Phoenix and have retained former Arizona Attorney General Tom Horne as an attorney.

"The first officer pulled the baby by the arm to get her away from the mother, which injured the arm, in a condition known as 'dead arm.' Island [the couple's 1-year-old child] has been having nightmares and wetting her bed, which she has not done before this incident," their lawsuit says.

Under the video that they released on Facebook, police department spokesperson Sgt. Tommy Thompson said they take "all allegations of misconduct seriously and for this reason, this incident is currently being investigated by the Professional Standards Bureau.”

On Twitter, State Senator Martín Quezada joined a chorus of Arizona residents livid about the officers' conduct.

"This is everything that's wrong with #LawEnforcement today. My #LD29
#Maryvale community deserves better than this type of inexcusable and unjustifiable rage and abuse of power from the @phoenixpolice. @PHXDistrict5
@PhxDistrict8," he wrote.

The Phoenix Police Department has been under fire for a week when officers in their department were caught up in a countrywide survey of the Facebook pages of officers in police departments across the country.

The devastating report was released last week unveiled thousand of racist, homophobic and bigoted Facebook posts from officers within their police department. Police Chief Jeri Williams was forced to place dozens of officers on “non-enforcement” assignments following the revelation.

According to the AP report, one Phoenix officer wrote on Facebook, “It’s a good day for a choke hold.”