kim pappas did not tell anybody she was pregnant before giving birth .
she gave birth standing up in bathroom at ceva logistics in michigan .
cut umbilical cord with cuticle scissors , wrapped baby in plastic bag , put that in a tote bag , then returned to her desk and put it in a drawer .
co-workers had heard moaning then saw blood on restroom floor .
they spotted blood on pappas then found the baby dead in the drawer .
she claimed she had a miscarriage but autopsy shows suffocation .
pappas faces charges of premeditated murder and child abuse , denied bail .