A security guard at a Riverside high school was arrested on suspicion of arranging to meet a minor for sex and committing other crimes on Tuesday, April 15, according to the Riverside County District Attorney’s Office and the Riverside Unified School District.

Lance Richard Herdan, 45, who works at Ramona High School, was placed on administrative leave, said Liz Pinney-Muglia, a school district spokeswoman.

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Members of the Riverside County Child Exploitation Team arrested Herdan at 8 a.m. at his apartment on Jackson Street in Riverside when they served a warrant, according to the District Attorney’s Office and county jail records. No other details of the investigation were available on Tuesday.

Herdan was arrested on suspicion of furnishing harmful material to a minor, contacting a minor to commit a felony and arranging to meet a minor for sex, all felonies, according to the county jail log. Herdan was being held in lieu of $50,000 bail at the Robert Presley Detention Center in Riverside.

Herdan had not been charged as of Tuesday. He does not have a documented criminal record in Riverside County, according to Superior Court records.

A school district news release said Harden’s title is campus supervisor. A district job description says a campus supervisor’s duties include patrolling; escorting students to the office for discipline; locking buildings, bathrooms, the teacher’s lounge and gates; reporting unauthorized people on campus; and enforcing school and district rules.

Herdan is the second Ramona High employee to be arrested recently.

Principal Victor Cisneros was placed on leave after being arrested on March 18 in Riverside on suspicion of driving under the influence after a minor-injury crash. He is not in custody and had not been charged as of Tuesday.