( CNN ) -- The search for a 4-year-old Arkansas boy who went missing during an outing ended Wednesday morning with the discovery of his body , authorities said . Caleb Linn 's remains were found in the South Fork River in northern Arkansas , according to Fulton County Sheriff 's dispatcher Arles Lenderman . No foul play was suspected in his disappearance . Two T-shirts worn by Caleb were found Tuesday afternoon along the river at the Boy Scout camp where he was last seen , officials said . `` We had pictures of the boy when we he went missing . They were the same clothes he was wearing that day , '' Sheriff Buck Foley said . Caleb 's family was devastated by the loss of a boy they described as having a genial disposition . `` He was full of life , '' stepfather Randy Muir told CNN affiliate KARK . `` He was an amazing young kid . '' CNN affiliate KATV reported that the boy was last seen by his aunt on Saturday at Kia Kima Scout Reservation . Caleb had asked whether he could catch up with some other children who had gone back to a cabin area about 300 yards away , according to the station . The search covered about 1,000 acres , Foley said . The camp is near the Arkansas-Missouri border , about 160 miles north of Little Rock . Caleb 's aunt and mother identified the clothes as the little boy 's , Foley said . `` The family took it hard , '' he added .
NEW : `` He was full of life , '' stepfather says . The man who shot and killed his stepson in a home invasion told police he had been drinking heavily before the shooting, according to court documents. He was reported missing over the weekend at a Boy Scout camp . No foul play is suspected in the 4-year-old 's disappearance .