No one on the train was injured. All of the passengers were asked to give a recorded interview with an investigator after the shooting and to have their pictures taken, Barkhimer said.
Yellow police crime scene tape surrounded the perimeter of the police station Monday as detectives scoured the parking lot looking for bullet slugs. A pile of what appeared to be clothing was left on the sidewalk in front of the lobby. Bomb-sniffing dogs also checked the perimeter, including the TRAX train.
Kammeyer's motorcycle was found parked on the far north part of the City Hall parking lot, just a short walk away from the police station. Search warrants were being executed Monday on the motorcycle as well as Kammeyer's residence and a second vehicle.
"We're trying to establish motive and figure out what is going on and why this guy came to the police department. We're also looking for any notes he may have left to give us better information as to that purpose," he said.
Court records list a West Jordan address as Kemmeyer's current residence. Hauer would not say where the search warrant was served.
The incident isn't the police department's first dealing with Kammeyer.
In December of 2012, officers responded to a report of a suicidal man. Kammeyer had cut his wrists and "told officers at that time that he wanted to die suicide by cop," Hauer said. The man said he was a registered sex offender and his wife was taking his children away from him.
Hauer could not verify if that was Kammeyer's motivation for going to the police lobby Monday. It was his understanding that Kemmeyer has been "somewhat estranged" from his wife recently.
Utah court records show Kammeyer was arrested by West Valley police in 1998. He pleaded guilty to sex abuse of a child, a second-degree felony, in 1999. Kammeyer received a suspended prison sentence and was placed on three years' probation. As part of his sentence, he was ordered to undergo sex offender treatment and register as a sex offender.
West Valley City Mayor Mike Winder said the shooting was "very sobering."
"We have brave men and women in our police department that put their lives on the line every day," he said. "To have someone walk into a sanctuary, so to speak, into a public safety building and pull a gun — it's unconscionable."
Asked if this could be connected to the dismissed criminal cases investigated by the department amid corruption allegations, Winder said anything is possible. He said the city successfully prosecutes thousands of cases each year, any of which have the potential of making people upset at the city.
"All it takes is one person crazy enough to pull a gun inside a public safety building and we get an incident like this," he said.
Ninety-eight state and federal criminal cases investigated by West Valley police have recently been dismissed because of credibility issues surrounding allegations of corruption within the department’s Neighborhood Narcotics Unit. Nine officers who worked in that now-disbanded unit are on paid administrative leave while investigations by the FBI and the Salt Lake County District Attorney’s Office are underway.
An internal investigation uncovered problems within the unit that includes an undisclosed amount of missing drugs and money, the theft of "trophies, trinkets or souvenirs" from drug-related crime scenes, the use of GPS trackers without first securing a warrant, improper use of confidential informants, improper handling of evidence within the drug unit, as well as officers taking small amounts of cash and other items from seized vehicles.
Contributing: McKenzie Romero
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