Detectives in Utah are asking for help locating a 5-year-old girl whose uncle was , authorities said.

Logan police released photos Tuesday of Alexander Whipple, the main suspect in the disappearance of Elizabeth Jessica Shelley and who’s been uncooperative with investigators.

The little girl was last seen at her home 2 a.m. Saturday as her uncle, 21, visited her family in the northern Utah city near the state’s border with Idaho.

The two images released by police show Whipple and the clothing he wore on Friday. Investigators now want to hear from anyone who has surveillance camera footage or smart doorbell video showing Whipple as the search for his niece enters its fourth day.

Elizabeth Jessica ShelleyLogan City Police Department

Investigators have also asked residents and business owners in southwest Logan or those between Nibley and Hyrum to check yards, buildings, containers or garbage cans for any signs of the girl.

The girl’s relatives reported her missing later Saturday morning, telling police that both she and Whipple were gone. He was later arrested while walking in a rural area on a warrant for a probation violation and is expected to be arraigned Tuesday afternoon from jail via video conference, .

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Logan police Capt. Tyson Budge told reporters that evidence in multiple locations tied Whipple to the girl, but he declined to elaborate, according to the newspaper.

“We have no reason to believe anything he has told us was accurate,” Budge said. “We believe Alex Whipple was involved in the disappearance of Elizabeth Shelley.”

The girl’s relatives said in a statement read to reporters by an employee from the Cache County Attorney’s Office that they’re “overwhelmed, scared and sad” over her disappearance.

“Our family ask for privacy and respect during this difficult time and continue to hope for the safe return of our sweet girl, Lizzy,” the statement read.

An employee at a gas station in Hyrum told police Whipple was caught on surveillance camera there sometime Saturday afternoon and was alone at the time, .

“Disheveled, like he had been on a binge of some kind,” the employee, Ryan Liljenquist, told the station of Whipple’s appearance. “He was wearing a gray hoodie. Underneath that hoodie was kind of a suit and tie, something really weird.”

Whipple bought cigarettes and beer before leaving the store. He was arrested less than two hours later, walking along an isolated road in Cache County, the station reported.

Police are asking anyone with information about the case to call them at .