(COLUMBIA, S.C.) – May 21, 2021 – South Carolina Attorney General Alan Wilson announced the arrest of Robert Martin Lindenberg, 28, of Summerville, S.C., on three charges connected to the attempted sexual exploitation of a minor.  Internet Crimes Against Children (ICAC) Task Force investigators with the Mount Pleasant Police Department made the arrest.  Investigators with the Charleston County Sheriff’s Office, also a member of the state’s ICAC Task Force, assisted with this investigation.   Investigators state Lindenberg solicited a person he believed to be a minor for sex, encouraged them to produce child sexual abuse material, and sent sexually explicit…