An Amber Alert was issued Thursday for Leo Hiibel-Cloutier, a 6-year-old boy missing since May 31. His brother, 17-year-old, Gene W. “GW” Hiibel also is missing. Police believe the boys’ mother, Mimi Charmayne Hiibel, 35, may be taking the boys to Oklahoma or Nevada. Hiibel recently lost her parental rights to Leo.