Law enforcement is asking for the public's help in finding a 95-year-old Delavan man. Police say Albert Van Der Veen was last seen at an Evansville gas station at 6:40 Wednesday morning. Authorities say Van Der Veen suffers from dementia or other cognitive impairment, and have issued a "Silver Alert". He's described as white, five-foot-nine, 200-pounds, and has blue eyes. He may be driving a rust colored 2000 Jeep Cherokee.