Police believes boy was lost , probably died of a stroke . `` The pathologist believes because of the way that we found the body , it had no shirt ... Shirtless , his body was found two weeks ago . Police tracked down family through serial number on belt tags . U.S. has been dealing with increasing numbers of children crossing border .
Police believes boy was lost , probably died of a stroke . Shirtless , his body was found two weeks ago . Police tracked down family through serial number on belt tags . U.S. has been dealing with increasing numbers of children crossing border .