PHILADELPHIA (CBS) — Philadelphia Police say members of its department have established a trust fund for the family of Robert Wilson III, who was killed in the line of duty Thursday afternoon.

Wilson, who was buying a gift for his son as a reward for good grades, was shot and killed during a shootout with two suspects who were trying to rob a video game store in North Philadelphia.

Police say Wilson leaves behind two children, a eight-year-old boy and a one-year-old, and his grandmother.

Authorities say anyone who would like to make a donation can do so in person at the following PFFCU branches:

901 Arch Street
7604 City Avenue
8500 Henry Avenue
Leo Mall, Byberry and Bustleton Avenue
7500 Castor Avenue
3300 Grant Avenue

Or by mailing a check payable to:

The Robert Wilson III Family Memorial Trust Fund
Police and Fire Federal Credit Union
901 Arch Street
Philadelphia PA, 19107