Detectives arrested Sergio Gallardo, 33, around 6:50 p.m. without incident for an alleged sexual relationship with a female juvenile. Her age has not been disclosed.
Gallardo met the juvenile while working as a Worship Leader at a South Bay church, authorities said.
The suspect was arraigned Thursday and charged with multiple counts of engaging in a sexual relationship with a juvenile.
The ongoing investigation is under command of Captain Bernard Anderson of the Special Operations Bureau.
Anyone with information regarding the suspect or sexual assault is urged to contact the Torrance Police Department Detective Division at (310) 618-5570.