Officers in South Euclid made a shocking discovery while responding to a complaint of a suspicious car behind an apartment building.
As officers approached the car it backed out and drove off. The driver was eventually pulled over and inside there were two men, one woman, and a 2-year-old child.
According to police the trio had just purchased heroin and were about to inject it.
All three adults were arrested and charged with possession of drug abuse instruments and child endangering.
The child was turned over to his grandmother.