A missing 15-year-old boy who authorities feared may have stolen his family’s guns after a dispute with a girl was found armed with a gun at an Arcadia mall, Los Angeles County sheriff’s officials said Tuesday afternoon.

Aldric Partovi was considered a “critical missing juvenile” Tuesday morning after his family reported that he had not been “acting right” following a dispute with a girl. They also reported that three guns were missing from the boy’s father’s home, Sgt. James Long said.

But by 2:30 p.m., the search was over after Arcadia police found him at the mall, sheriff’s Lt. Frank Ruiz said. He was carrying a gun, but it was not immediately clear if the firearm belonged to the boy’s father, officials said. One of the missing guns was found in a wash near the boy’s home, officials said.

“Partovi may be in possession of two firearms missing from his father’s residence, and it is not known if he suffers from psychological issues,” the Sheriff’s Department said when it appealed to the public for help locating the teen.


Arcadia police are detaining the teen until they transfer him into sheriff’s custody, authorities said.

All schools in the San Marino school district were placed on lockdown “out of an abundance of caution,” he said.

joseph.serna@latimes.com


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UPDATES:

3:05 p.m.: This article was updated with details that the boy was armed and being detained.


2:35 p.m.: This article was updated with details on authorities’ finding the missing teen.

2:05 p.m.: This article was updated with additional details from the L.A. County Sheriff’s Department.

This article was originally published at 1:35 p.m.