It seemed inevitable that the Fabrizi would drop out. He likely could have gotten past the cocaine use, but testifying for a sex offender was the political career killer. From The Courant:

“I will not seek another term as your mayor,” Fabrizi, 50, said in brief remarks at City Hall Annex.

Fabrizi has been under fire since he admitted that he had previously used cocaine, although he said he was drug-free. He also drew fire for speaking on behalf of an admitted sex offender in a court proceeding.

State Rep. Christopher Caruso, D-Bridgeport, on Monday, announced his plans to challenge Fabrizi in the Democratic primary.

Other Democrats also in the race are Charles Coviello, who works in real estate and was an official in the Mandanici mayoral administration in the 1970s, and City Council member Robert Walsh, who has organized an exploratory committee.

Probate Judge Paul Ganim, the brother of jailed ex-mayor Joseph Ganim, said Tuesday that he will decide by July whether to run.

source: The Courant, Bridgeport mayor withdraws from campaign; admitted drug use, May 8, 2007 , Associated Press