By CBS3 Staff

PHILADELPHIA (CBS) — A former Philadelphia city treasurer already accused of embezzlement and marriage fraud is now facing more charges. Prosecutors charged Christian Dunbar with tax fraud and failure to file tax returns.

READ MORE: Teammates, Coaches Hold Emotional Vigil For Tyler Norton, Boy Killed In Pottstown House Fire

One of the years he allegedly failed to file was when he was the city’s treasurer in 2019.

READ MORE: Veterans Transform Historic Train Station Into 'Incredibly Special' Cafe In Radnor Township

Dunbar was already charged with stealing $15,000 while he worked at Wells Fargo, and obtaining citizenship through a sham marriage.

MORE NEWS: Mama-Tee's Effort To Combat Food Insecurity During Pandemic Expands Into Pop-Up Grocery Store

If he’s convicted, Dunbar could spend the rest of his life in prison and owe a $6 million fine.