The second of two Mexican restaurant owners accused of harboring and hiring illegal aliens is out of jail. Court documents show 35-year-old Guillermo Fuentes was released last Thursday on $3,000 cash bail. He also had to surrender his Mexican passport.A detention hearing was originally scheduled for Tuesday.His brother, 37-year-old Hector Fuentes, was freed on $10,000 cash bail last Thursday, too. The two were arrested after federal immigration agents raided the Fajita Grill Restaurant in Westbrook, which Guillermo Fuentes owns.Hector Fuentes owns Cancun Mexican Restaurant in Waterville and the Cancun-2 in Biddeford.Court documents say the brothers hired at least four illegal workers from Mexico, between 2006 and 2011.Postings on the restaurants’ Facebook pages say the locations in Waterville and Westbrook are now open again. The one in Biddeford remains closed.