KANSAS CITY, Mo. — Multiple shots were fired at a house where a Halloween party was taking place in a suspected domestic violence incident that killed a 20-year-old woman in Kansas City, Kansas, earlier this month, according to court records released Wednesday.

An affidavit released by Wyandotte County District Court details what happened in the early-morning hours of Nov. 1 at the Kansas City, Kansas, home, where Ana Juarez was fatally shot. The affidavit was filed in the case of 22-year-old Kevin Calamaco-Morales, who is accused of killing Juarez. Charging documents say the two were in a relationship.

Officers with the Kansas City, Kansas Police Department were called to the home on North 11th Street near Barnett Avenue just before 4:30 a.m. Nov. 1. Officers found Juarez with a gunshot wound to her lower back. She was taken to a hospital, where she died from her injuries.

Investigators interviewed witnesses inside the house and collected video, phone records and Facebook messages sent to the victim that led them to arrest Calamaco-Morales, according to the affidavit.

FOX4 has reached out to an attorney listed for Calamaco-Morales for comment.

Witnesses told police that Juarez went out with friends to Westport and some house parties for Halloween. Back at the house in KCK, they said they noticed Juarez was ignoring her phone, which was “blowing up” with calls or texts. Moments later, they heard gunshots, the witnesses said, and they took cover. Some of the witnesses stated that they saw Juarez getting up and opening the front door.

By the time the witnesses came out from hiding, police officers arrived, and Juarez was lying on the ground.

The house had been hit by gunfire, with some of the bullets entering the home. The victim’s car was also hit by a bullet with the driver’s side window shattered.

Charging documents say that at least one witness told police they believed Calamaco-Morales was involved in the shooting due to his attitude toward Juarez leading up to their Halloween plans. The witness claimed Juarez told them that Calamaco-Morales was controlling and that he initially didn’t want her to go out for Halloween.

Investigators obtained phone records that showed that a number registered to Calamaco-Morales called her 18 times between 4:21 and 4:23 a.m., according to the affidavit. The affidavit also says investigators recovered Facebook messages that were sent to the victim at 4:21 a.m.

Kansas City, Kansas, police took Calamaco-Morales into custody later that day for questioning.

Police also noted that at the address where Calamaco-Morales was taken into custody, they noticed a Honda Accord that was similar to the suspect vehicle they saw on a video that was captured near the shooting scene that morning. The video showed a vehicle parking in front of the home at 4:19 a.m. and a person exiting the passenger side and firing shots.

Charging documents say the Honda had a Kansas tag that was flagged by a license plate reader as being at Seventh Street and Quindaro Boulevard at 4:31 a.m., about nine minutes after the shooting and two miles from the scene.

Calamaco-Morales was arrested and Wyandotte County prosecutors charged him with first-degree murder and criminal discharge of a firearm on Nov. 3.

He remains in the Wyandotte County jail with bond set at $500,000.

The next court hearing is set for Dec. 16.