A former Navy detective and El Cajon police officer pleaded guilty Thursday to a federal count of conspiracy to distribute child sex abuse material.

Jonathan Christopher Laroche, 42, received a 15-month sentence in February for using excessive force on a detained sailor at Naval Base San Diego, but prosecutors filed the sex crime charges against him shortly before he was set to report to prison.

In the sex crime case , the conspiracy count carries a mandatory minimum sentence of five years in prison and a maximum sentence of 20 years. As part of the plea, he will be required to register as a sex offender.

Laroche is slated for sentencing in December.

An affidavit authored by a Homeland Security Investigations agent states that an email address used by Laroche was identified by law enfo

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