Don Rentz , 83 , and his wife , Reda , Saturday , were last seen alive on February 26 . Neighbor checked on them on 80 at request of the couple 's children . They called police after knocking on front door and receiving no response . Rentzs were found dead in Texas home with 'extremely traumatic ' injuries . Police have launched investigation but so far have no suspects nor motive . They believe grandparents may have been beaten to death during robbery .
Don Rentz , 83 , and his wife , Reda , 80 , were last seen alive on February 26 . Neighbor checked on them on Saturday at request of the couple 's children . They called police after knocking on front door and receiving no response . Rentzs were found dead in Texas home with 'extremely traumatic ' injuries . Police have launched investigation but so far have no suspects nor motive . They believe grandparents may have been beaten to death during robbery .