A Cumberland County man has been arrested on a grand jury indictment on child sex crimes. Crossville police served the indictment Monday, July 3, 2017, on 43-year-old Ronald Matthew Reagan at an apartment in Charleston Plantation. According to the indictment, Reagan is charged with two counts of solicitation of a minor and one count of sexual exploitation of a minor. The indictment indicates that in May of last year, Reagan allegedly engaged by electronic means explicit communication with what he thought was a 16-year-old female. The juvenile was actually an undercover law enforcement officer. Reagan was transported to the Cumberland County jail.