Delaware State Police say they are searching for 20-year-olds Eric Dickerson and Trevor Jenkins, and 27-year-old Antonio Guzman, all of Dover.
Police say a 45-year-old man was shot in the face about 12:40 a.m. on July 21 on Yoder Drive. The man had been listed in critical condition.
Authorities say four suspects fled the scene in a car.
Anyone with information about the suspects is asked to call Delaware State Police at (302) 697-2105, ext 314.