A businessman from Destrehan charged with plotting to bribe an unidentified former New Orleans public official has pleaded guilty.

Rodney Williams entered the plea to bribery conspiracy charges in U.S. District Court.

Court papers don't name the city official, but his tenure matches former Mayor Ray Nagin's term in office and Williams's attorney, Ralph Capitelli told reporters, "You'd have to be worst, the worst investigative reporter not to know who 'Public Official A' is."

The 47-year-old Williams was president of Three Fold Consultants LLC. Prosecutors charged he made more than $72,000 in payoffs to the unnamed official — who also owned a granite installation company — in exchange for using his office to steer city work to Williams between 2007 and 2010.

Nagin and his two sons obtained a contract to install granite countertops for local Home Depot stores after Hurricane Katrina struck in 2005.

A different businessman, Frank Fradella, pleaded guilty in June to making a $50,000 payoff to an unidentified former city official whose tenure also matched Nagin's.

The former mayor has not been charged with a crime.

(Copyright 2012 by the Associated Press. All Rights Reserved.)