The Air Force veteran who was found dead inside a postal service mail handling machine had been engaged for just 10 days — as his new fiancée demands answers about his mysterious death. Nicholas Acker, 36, died after he ended up in the machine at the USPS Detroit Network Distribution Center in Allen Park, Michigan on Nov. 8. Acker is believed to have already been dead for several hours before anyone even realized he was missing, with his fiancée, Stephanie Jaszcz, first raising the alarm that