NEW : Sheriff says parents `` did not participate '' as courts weighed child custody . Hillsborough County , Florida , Sheriff David Gee said late Tuesday , without offering much detail . ` NEW : Judge rules that children should be returned to their mother, but only if she agrees to a parenting plan and has no criminal record or other issues with the father. The Hakkens are accused of abducting their sons , sailing with them to Cuba . The two boys are back with the boys ' maternal grandparents .
NEW : Sheriff says parents `` did not participate '' as courts weighed child custody . NEW : Judge rules that children should be returned to their mother, but only if she agrees to a parenting plan and has no criminal record or other issues with the father. The Hakkens are accused of abducting their sons , sailing with them to Cuba . The two boys are back with the boys ' maternal grandparents .