KANSAS CITY, Mo. (AP) — A Missouri woman has filed a lawsuit alleging that police wrongfully arrested her teenage son in 2016 and showed "deliberate indifference" to his constitutional rights.

Sherri James is accusing Kansas City police of unlawful arrest, negligent training and supervision and deprivation of her son Tyree Bell's constitutional rights, The Kansas City Star reported . The lawsuit names arresting officers Peter Neukirch and Jonathan Munyan, Detective John Mattivi, Police Chief Richard Smith and the Kansas City Board of Police Commissioners.

A police department spokesman declined to comment on the pending litigation. A court filing responding to the lawsuit denies the allegations.

Police were responding to a report of three black teenagers with a firearm on June 8, 2016, according to court documents. Officers caught two teens, but dash cam footage shows one suspect discarding the gun before he outran authorities.

Shortly after, another Kansas City police officer spotted Bell more than a mile away from the spot where the suspect fled. Authorities arrested Bell, despite the teen's shoes and shorts not matching the description dispatchers gave of the suspect, the lawsuit said.

"I kind of thought I was going to get let off, because I knew that I didn't do anything," Bell said.

But Bell spent three weeks in the Jackson County Juvenile Detention Center. The lawsuit alleges police didn't immediately review the dash cam footage that would've exonerated Bell.

"They had the proof and wouldn't even take the time to look at it and confirm that it wasn't my child," James said.

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Information from: The Kansas City Star, http://www.kcstar.com