At least three victims of a suspected Portland serial killer were all murdered within seven weeks of each other, investigators recently determined as they piece together a more detailed timeline of the slayings of the reportedly homeless, drug-addicted women. Charity Lynn Perry, 24, is believed to have been the first victim of 39-year-old Jesse Lee Calhoun, according to Multnomah County prosecutors, KATU-TV reported, citing an indictment. Perry died March 8, 2023, two days after she was taken to the hospital for an overdose. Authorities have not confirmed her cause of death, but her body was f…