The search continued on Monday for the son of country singer Craig Morgan, 19-year-old Jerry Greer, who went missing after a boating accident at Kentucky Lake in Tennessee.

Greer and another man were on a raft being pulled by a boat, when they were thrown from the raft and Greer never resurfaced, Rob Edwards, Chief Deputy, Humphreys County Sheriff's Office tells ET.

"He was wearing a life jacket at the time but went under," Edwards says. "We are currently searching for him with several boats."

The Tennessee Wildlife Resources Agency is conducting the investigation as to what happened that led up to the events.

Greer's family thanked everyone for their prayers in a statement on Monday, and asked for privacy.

"Recent Dickson County High School graduate Jerry Greer (19), son of country music entertainer Craig Morgan and wife Karen Greer, went missing yesterday following a boating accident on Kentucky Lake in Humphreys County, Tennessee," the statement reads. "Recovery efforts to locate him are underway. The family is grateful for everyone's support and prayers and requests privacy during this difficult time."

Morgan, 51, posted his most recent picture with his son on Easter, when he Instagrammed a black-and-white family photo. Greer is seen in the row farthest back, seated on the right.

Morgan, an Army veteran, has enjoyed plenty of success on the Billboard charts, and is most known for his hit, "That's What I Love About Sunday." He also hosts his own show, Craig Morgan: All Access Outdoors, on the Outdoor Channel, in which Greer has appeared.

Morgan and his wife have four children together -- daughter Alex, and sons Kyle, Jerry, and Wyatt.