It has been nearly a week and authorities say they have not identified the man who went on a deadly shooting rampage in South Omaha before a police officer shot and killed him.
Police said Thursday that they are trying to sort out the aliases the shooter may have used.
Detectives also are trying to reach possible family members who may live out of state or out of the country, said Lt. Darci Tierney, an Omaha police spokeswoman. Authorities are hoping a family member can help identify the gunman.
The gunman was not carrying identification, his fingerprints have not turned up in police databases, and his .45-caliber handgun wasn't registered to an owner.
Police have described the shooter as a Hispanic male. Mexican Consulate officials in Omaha said the agency is working with police, though they said the gunman's ancestry was unknown. The consulate would not release any more information.
The shooter killed two people and critically injured two others. His life ended after he opened fire on Omaha Police Officer Coral Walker, who shot the man several times. Walker escaped injury.
An autopsy has been performed on the man now called KK Doe, but the coroner is awaiting toxicology results, said Douglas County Attorney Don Kleine.
Although the shooter is still a mystery to police and the general public, police said his first victim knew him.
The gunman entered Aaron Anderson's secured apartment building at 3104 Hascall St. about 2 p.m. Saturday. Anderson, 31, was shot in the head and chest.
Police have said the three other victims — Angel Cabrera, 46, Pascual Bautista-Raymundo, 25, and Anthony Vazzano, 25 — were shot at random.
Bautista-Raymundo and Vazzano died. Anderson and Cabrera remain at Creighton University Medical Center.
Methamphetamine was later found at the apartment that Anderson shared with his girlfriend, Amy Hockabout. Police served a search warrant there after the shooting, Kleine said.
Hockabout, 33, has been charged with possession of a controlled substance. Her preliminary hearing is scheduled for July 15. She and her mother declined to comment.
Anderson had a criminal record in Pottawattamie County, where he served jail time. Two women obtained protection orders against him, according to court records.
A former girlfriend, Jyl Dinville, 46, of Council Bluffs, said their relationship ended in 2006 after Anderson beat Dinville's pit bull, Tyson. The dog was injured so severely it had to be euthanized.
Pottawattamie County Attorney Matt Wilber said Anderson was convicted of animal cruelty and served time in jail. It was unclear how much time he ended up serving.
Dinville said Anderson told her he beat her dog because she loved the dog more than him. She said Anderson stalked her after he was released from jail.
She obtained a protection order against Anderson in 2007. He violated the order, according to court records.
“I was scared of him,” she said. “I had to move out of my house because he came after me. I left town and went into hiding.”
For the majority of the relationship, Dinville said, Anderson treated her well. But after they had been dating awhile, she noticed that Anderson would go into bouts of rage.
“I would never wish bad upon anyone,” she said. “This is horrible what happened to Aaron.”
Anderson had domestic abuse problems with another former girlfriend, according to court records, and she also obtained a protection order. In 2004 and 2005, Anderson was found guilty of violating a no-contact order multiple times. He was sentenced to jail and probation.
Anderson's brother declined to comment, and his mother did not return phone calls from The World-Herald.
Anna and Harold Ross, who live near Anderson's childhood home in Council Bluffs, said they haven't seen him in years. They remembered him as a nice boy who delivered their newspaper. The couple said they sold him a 1988 Pontiac Firebird when he turned 16.
“It sounds like Aaron got in with the wrong people,” Harold Ross said.
Police are still looking for a second man who went to Anderson's apartment with the shooter. After the gunman shot Anderson, the other man drove off in a 1995 Ford Thunderbird with Iowa license plates BBH-574. Police are calling the man a witness.