NEW : Prosecutor : Authorities will request the suspect 's return to New Jersey . Arthur Lee Morgan III was arrested on arrival in San Diego . A tip from authorities in New Jersey led investigators to Morgan , the U.S . His daughter 's body was found in a New Jersey stream on November 6 . Prosecutor : It appears the child and car seat were thrown from an airplane .
NEW : Prosecutor : Authorities will request the suspect 's return to New Jersey . Arthur Lee Morgan III was arrested on arrival in San Diego . His daughter 's body was found in a New Jersey stream on November 6 . Prosecutor : It appears the child and car seat were thrown from an airplane .