People v. Sullivan

Following a jury trial in the circuit court of Morgan County, defendant, Glenn Sullivan, was convicted of armed robbery and sentenced to the penitentiary for a term of 8 to 20 years. The appellate court reversed the defendant’s conviction and remanded the cause for a new trial. It did so on grounds that certain errors committed during the trial, although not preserved for purposes of appeal, did, when considered together, constitute reversible error under the plain error doctrine. (48 Ill. App. 3d 787.) We granted the State leave to appeal.

On May 29, 1975, at approximately 5 p.m., two masked…