WASHINGTON —  Florida Rep. Allen Boyd's son was arrested in Arizona Sunday and charged with human smuggling after K-9 dogs allegedly sniffed out individuals hiding in the bed of his truck.

John F. Boyd attempted to drive through a Border Patrol security check in Willcox, court documents revealed, according to KVOA-TV in Phoenix. Five illegal aliens, including a 6-year-old girl, were found in the truck.

The criminal complaint obtained by KVOA states, "At the primary inspection area, a Border Patrol K-9 alerted to the possible presence of illegal aliens in the bed of the truck. A primary inspection agent approached the truck and saw an individual hiding under a piece of plywood in the bed of the truck."

The documents also say the illegal immigrants planned to pay $3,000 each to Boyd to smuggle them into the final destination in the United States.

The vehicle contained "two plastic bags that contained several rocks of crystal methamphetamine, four unopened syringes, a spoon with white residue and burn marks on the bottom, and three knives. A further search of the vehicle revealed a Beretta 22LR pistol loaded with eight rounds of ammunition and a spare magazine loaded with eight rounds of ammunition in a suitcase in the bed of the truck," read documents cited by KVOA.

In a statement sent to FOXNews.com, the Democratic congressman acknowledged that his son attended a preliminary hearing on Monday and was charged with "alien smuggling."

"This is a family matter that my family and I will be dealing with privately. John is a grown man and must face the consequences for his actions, but he has the love and support of his family," Boyd said.

Boyd's office told FOXNews.com that he would not provide further comment.

Click here to read the KVOA article on Rep. Boyd's son's arrest.