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The mother of missing 5-year-old Taylor Rose Williams has stopped cooperating with the police investigation into her disappearance.

Authorities say Taylor was last seen alive when her mother, Brianna Williams, put her to bed in her Jacksonville home around midnight on Tuesday. Brianna told police that when she woke up the next day, she noted Taylor was gone and the back door was unlocked.

A car that was parked in the home's driveway was towed to the Jacksonville Sheriff's Office to be searched for evidence, according to 11 Alive News.

Taylor was last seen wearing a purple shirt and pink pajama pants. Brianna Williams phoned 911 to report Taylor missing, but she has since stopped cooperating with Florida authorities, according to NBC News.

Police say Brianna, a Navy petty officer, stopped cooperating after they noticed inconsistencies in her story.

"Yesterday we were talking to her about some inconsistencies in her statement and that's when she chose to stop cooperating with us," Jacksonville Sheriff Mike Williams told reporters on Thursday.

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Sheriff Williams, who is not related to the family, said Brianna is not considered a suspect at this time, according to NBC News.

"We remain hopeful that we'll find Taylor," he added. "We're not going to stop on our efforts to locate her and there's not one scenario or theory that we're not exploring and every possibility is being looked at."

Florida Crime Stoppers is offering a $3,000 reward. Anyone with information is asked to call 1-866-845-TIPS. You can remain anonymous.