SANTA ANA (CBSLA.com) — A school janitor is behind bars after being accused of installing a camera inside a girl’s restroom.

Police say Angel Rojas Jr., a substitute janitor at Glenn L. Martin Elementary School in Santa Ana, installed the camera sometime over the summer.

Rojas, a 24-year-old Corona resident, was arrested after a female administrator discovered the camera.

Police searched Rojas’ home and then took him into custody on July 25th.

Rojas is 5 feet, 8 inches tall and 125 pounds.

The FBI is reportedly investigating.