Tony D'urso

Tony D'urso was a drug dealer and an associate of Frank Bertinelli.

Biography
Tony supplied a student at Michael Staton's school with ecstasy pills, which he overdosed on during school.

A while later, after Michael Staton's death, he appeared and offered Helena Bertinelli some of his product if she needed it. One year later, she tracked him down during a drug deal and killed him, claiming that it was a start to avenging her fiancé's death.

Arrow

 * "Falling"