(CNN) Ayoola Ajayi, whose home is five miles from where University of Utah student Mackenzie Lueck was last seen, is in custody and is likely to be charged in her death and kidnapping, police say.

Here's what we know about the suspect.

Police found pictures of Lueck on his phone

Police initially identified Ajayi as a person of interest Thursday after serving a search warrant at his home in the Fairpark neighborhood.

Salt Lake City Police Chief Mike Brown said at that time that Ajayi had spoken with investigators but was not in police custody.

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