PALM COAST -- Sometimes a good story begins with simple introductions.

Meet Joey Calco, a noted mob informant whose testimony helped federal prosecutors convict multiple members of New York's infamous Bonanno crime family.

Meet Joseph Milano, a Palm Coast pizzeria manager accused of attacking two customers who complained about a calzone they had purchased from his restaurant, Goomba's Pizzeria.

What do Calco and Milano have in common?

For starters, a civil court lawsuit filed last year by a Palm Coast teenager claims Milano sexually harassed her when she was working at his restaurant. In court documents, she says Milano told her he had killed people and is in the federal witness protection program.

Joey Calco is a...