"Yvette thought the other girl liked me. Yvette and me hang out together. The other lady, all I did was help her out with her phone and Yvette thought it was something else and they've been arguing for two days about this crazy stuff," Stewart said.
Police say the acquaintance, identified as 51-year old Darcel Baines, pulled a kitchen knife out of her handbag and stabbed Prince in the chest. Stewart said he tried to stop the altercation.
"And it was too late, she was already stabbed, so I couldn't get over there in time," he said.
Police took Baines into custody and said she was still holding the knife when the first responding officers arrived. Another homeless man who knew the three and did not wish to be identified could not believe the love triangle would lead to this.
"The girl's fighting over this dude and the dude wasn't worth fighting over," he said.
Others who hang out and sleep at Love Park say the fatal stabbing shows how crazy things have been getting in recent months.
"And I be scared, but I'm a survivor, I just try to survive," said Warren Fitts.
Baines is being charged with murder, possession of an instrument of crime and related offenses.
