Abused: Milton had so many drugs in his body that he was likened to a drug mule or someone who smuggles drugs in their body

A couple have been accused of killing a nine-month-old baby boy by injecting him with heroin and cocaine.

Oscar Sanchez-Rivera, 24, and Viameri Santana-Berrios, 27, were babysitting the boy when he died from a drug overdose.

Doctors found needle marks on his hands and feet as well as undigested heroin and cocaine in his body.