Was the Green River Killer ever caught?

Yes, the Green River Killer was apprehended and convicted. Gary Ridgway, also known as the Green River Killer, committed numerous serial killings in Pacific Northwest of the United States between 1982 and 1984, predominantly in King County, Washington. Following his arrest in 2001, he ultimately confessed to the murders of 48 women and girls. After a plea agreement to avoid execution, Ridgway was sentenced to 48 consecutive life sentences in prison, ensuring that he will remain behind bars for the rest of his life.