COLUMBIA, S.C. -- A prosecutor says there's not enough evidence to bring criminal charges against the interim chief of the Columbia Police Department or a former officer.

Solicitor Walt Wilkins said during a news conference Tuesday that he had reviewed the State Law Enforcement Division's probe into possible criminal activities by members of the department but wouldn't be recommending any charges.

Interim Police Chief Ruben Santiago asked SLED to investigate whether a fired captain had illegally shredded documents and stolen money from a police foundation. Capt. David Navarro also contacted SLED, saying Santiago had asked him to plant drugs and a gun in an assistant city manager's car.

City officials fired Navarro, saying he did not show up for work and broke city policy by taping a conversation with Santiago without his knowledge.