PUTNAM COUNTY, Fla. -

A Putnam County man is praying the person who hit and killed his 3-year-old grandson on U.S. 17 Tuesday night will come forward.

The grandfather of 3-year-old Morgan Calway said it was within seconds when they realized the unimaginable happened.

The child got out of the house and made it to the busy U.S. 17 where he was hit by a car. The driver of that car didn't stop and still hasn't been caught.

Morgan's grandfather is the pastor of San Mateo Church of the Nazarene. His home is behind the church and that's where family lost track of the child for just a few seconds then realized he was gone.

Morgan's grandfather said the 3-year-old was just learning how to open doors, and he must have learned how to open the dead-bolt-lock because he got out of their house.

Sgt. Dylan Bryan, with the Florida Highway Patrol, said they have the car that hit Morgan. They're just trying to identify the driver. Bryan said they are currently interviewing three people -- and hope to soon learn exactly what happened that tragic night.

"We would issue charges not only for the crash but also leaving the scene which resulted in death, and that's a criminal offense and an arrestable offense as well. But first things first, we have to conduct our investigation in the proper fashion as applicable by Florida statute and out agency policies," said Bryan.

The grandfather also said Morgan loved running and being outdoors, and he said getting out of the house was probably an adventure to Morgan. Now his hope is to find who's responsible for the boy's death.