LOCKPORT – A man who allegedly sold heroin twice in Niagara Falls in December pleaded not guilty to a four-count indictment Friday in Niagara County Court.

James Dolson, 48, of Cleveland Avenue in the Falls, is charged with two counts each of third-degree criminal sale and possession of a controlled substance.

The alleged drug deals with a police informant occurred Dec. 10 and 12, Assistant District Attorney Peter M. Wydysh said. Both sales were captured on audio tape, he told Judge Matthew J. Murphy III.