Police arrested a " potential suspect " Monday in the abduction of a 9-year-old who was found safe after two days , the police chief said .
Police arrested a " potential suspect " Monday in the case of a nine-year-old girl who turned up safe two days after being violently abducted from her home .
Police have arrested a " potential suspect " in the abduction of 9-year-old Jennette Tamayo , San Jose Police Chief William Lansdowne said Monday .