The proceeding before an Adams County district judge is set for Wednesday in the county courthouse.
Christopher Lynn Johnson of Fairfield is charged criminal homicide as well as weapons and hunting law violations in the slaying of Wildlife Conservation Officer David Grove.
Police say the 27-year-old Johnson shot Grove while he was investigating poaching in a rural area on the night of Nov. 11. Investigators say Johnson confessed, telling them he was a felon in possession of a gun and didn't want to go back to prison.
Johnson's lawyer has asked the public not to jump to conclusions because deserves a fair trial.