Five-year-old Kevin Will Jr. of Houston started his first day of kindergarten on Monday and was escorted by his extended family, the men in blue.

Kevin's father, Officer Kevin Will, was killed in the line of duty by a drunk driver three months before his son was born. His father's fellow officers promised to look after him, so on the first day of kindergarten, they all helped escort him to school.

100 police officers accompanied Kevin on the mile-long walk down the street as a police department helicopter hovered above and 13 riding horseback. 

Kevin's mother, Alisha Will, said, "I think he was way overwhelmed today. But he was excited about kindergarten, and I talked to him about the officers being here because his daddy couldn't."

Watch below:

--Dave