Prosecutors said the victims met with Courtney for the purpose of consensual sex, but he dosed them with GHB and other drugs.
After they were unconscious, Courtney allegedly brought in other men who participated in the assaults.
"This was a bunch of men engaging in very dangerous behavior," Chase said.
Everyone involved knew they were going to use drugs - but the victims later claimed they were drugged to a point of unconsciousness.
HIV-positive people also must alter deeply-ingrained beliefs that nothing good can come of revealing their status.