CRIME AND CRIMINALS. FRAUD. DENVER Informant Sam Wexler claims Michael Pouldino hatched phony jewelry theft. RMN Mr 22, 1988 p.12 John F. Ducey of carpet and linoleum union indicted. RMN My 11, 1988 p.10 Woman bilked of thousands by Harry Herceglic, investigation shows. RMN My 12, 1988 p.19 Art dealer Jacques Michel ordered to pay $429,000 judgement. RMN Je 21, 1988 p.10