David Koschman and family | The Killing of David Koschman

Nanci Koschman, whose son David was killed seven years ago outside a Rush Street bar talks about her son. | Sun-Times Media

David Koschman's grave at Memorial Gardens Cemetery in Arlington Heights. | Sun-Times Media

Nanci Koschman, the mother of David Koschman. | Sun-Times Media

David Koschman with his father, Robert Koschman. | Provided photo

Nanci and her son David Koschman (center) with Sue and Rich Pazderski. | Provided photo

Nanci Koschman speaks to the media about the announcement that charges were filed against Richard J. "R.J." Vanecko. | Sun-Times Media