BY BILLIE STANTON ANLEU billie.stantonanleu@gazette.com -Jose Quiros has politely declined strangers' offers of help since his Air Force Academy cadet son died mysteriously and his wife apparently committed suicide three weeks later.Quiros said he and son Peter "are well cared for by our neighbors and friends." He suggested people could donate to the academy's astronautical engineering department, where Alexandre Quiros was a senior when he was found with injuries in his dormitory room April 2 He died later that day from the injuries."They both loved the program," Quiros said,But when a Utah woman offered Wednesday to have a memorial bench created for his wife, Ksenia, and Alex, Quiros was quick to respond."Thank you.