The public is invited to attend a Tip a Cop fundraising event at Grump’s Tuesday evening (June 11) from 5 to 9 p.m. The event will benefit the Citizens Police Academy Alumni Association, which helps with programs supported by the Granbury Police Department. For $8, participants can choose between a hamburger or cheeseburger, chips or fries and a soda or tea – all served by Granbury police officers. Grump’s is located at 3503 E. Hwy. 377.