The baby, Koah Sharp, was found buried in a crate that was wrapped in a towel, crying and “clinging to life,” Sheriff Jay Koon of Lexington County, S.C., said at a news conference on Tuesday. The child’s father had disappeared with him the day before, prompting a widespread search by county and state officials, as well as the F.B.I. Koah was receiving medical care at a hospital adding that he hoped the child would make a full recovery. He did not elaborate on the extent of the child’s injuries. Koah’s father, Michael A. Comer, 25, was arrested on Monday night...