It happened around 4:40 p.m. on Wednesday in the parking lot outside the Riverview Motel, located at 7811 Gov. Printz Blvd.
Police say the victim was sitting in his car when he was approached by a man who was armed with a gun.
The suspect ordered the man out of the vehicle and demanded property, but the victim resisted and was shocked with a stun gun during a struggle.
The victim was ordered back into his car and the robber and a woman got into the car and took the man's wallet, cash, and other personal items.
The victim suffered a minor head injury in the robbery.
Anyone with information can call the Troop 2 Robbery Unit at (302) 834-2630 ext. 6 or use the Delaware State Police Mobile Crime Tip Application to report information.
Tips can also be submitted to Delaware CrimeStoppers at 1 (800) TIP-3333 or online at www.tipsubmit.com.
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