40 arrested in human smuggling investigation in California

Federal authorities say 40 people in the U.S. illegally were arrested after investigators found two separate apartments used in a suspected human smuggling operation in Southern California.

Officials say U.S. Border Patrol agents raided an apartment in the city of Imperial Beach on Monday and discovered 22 Mexican nationals. After further investigation the agents found 18 additional people from Mexico at another unit in the same apartment complex.

A statement says 36 males, ages 16 to 49, and four females, ages 24 to 46, are in custody.

The investigation is ongoing.