1 of 4 Andre Marcus Johnson, 21, of Philadelphia, shown here leaving a February 2019 court hearing, pleaded guilty to a robbery charge, admitting that he helped set up a robbery that went awry and led to the fatal shooting of a Norristown man. was accused of the June 16, 2018, gunshot slaying of 19-year-old Desmond Zaire Johnson in Carson Alley in Norristown. By Carl Hessler Jr. â MediaNews Group By Carl Hessler Jr. â MediaNews Group A relative of Norristown murder victim Desmond Zaire Johnson displays a memorial t-shirt that family members wore to court to show support for their loved one during pretrial hearings for those accused in the slaying. The T-shirts were embossed with Desmond Johnsonâs photo and the words â#LIVE4DESMONDâ