The suspect fled Bonaci Fine Jewelers in the 300 block of E. Smith St.,, and may have gotten into a car.
The 49-year-old owner of a Kent gun shop and his 30-year-old stepson were arrested Friday morning on charges of illegally selling guns and drugs out of the business.
The King County Sheriff's Office and Burien Police Department searched three houses in Kent and Des Moines last week, seizing 0.25 kilos of cocaine and more than $6,000 in cash.
Kent Police Sgt. Jarod Kasner said the car crashed about 4 a.m. near the intersection of South 208th and 100th.
Deputies arrested a Kent man last Thursday for allegedly using an online dating service popular in the LGBT community to target victims, who he then robbed -- and in one case raped -- at gunpoint.