An arrest has been made in a series of voicemailed bomb threats to a Civic Center-area school, and it turns out that the calls were coming from (figuratively) inside the house.

You likely recall the evacuation and shelter-in-place ordered for Fell Street between Polk Street and Van Ness Avenue last Tuesday. The cause, police said at the time, was a bomb threat left on the voice mail of the LePort Montessori School, located at 50 Fell Street. Though officers with the San Francisco Police Department searched the area, no explosives were found.

According to a press release sent by the SFPD this morning, May 16 was not the first bomb threat the school had received. On May 8, police say, the school had received a similar message...but, obviously, never blew up.

Now SFPD's Special Investigations Division says they've identified the person responsible for the voicemails as 22-year-old South San Francisco resident Pablo Munoz, who is employed at the school in question as an assistant teacher.

He was arrested at the school "without incident" on Friday, police say today, and was booked into San Francisco County Jail on two counts of felony threats and two counts of misdemeanor false reporting of a bomb. According to a spokesperson with the San Francisco Sheriff's Department, he has since been released on bail.

Previously: Evacuation, Shelter In Place After Bomb Threat At San Francisco School