Denver Clinic plans to fix 10,000 more cats free, no strings attached by Andrea James from on 2017-03-13 13:37 (#2FQDY) Colorado charity Dumb Friends League wants to perform as many as 10,000 more spay/neuter procedures to any cats brought in. It will be free, no strings attached, to reduce Denver area pet overpopulation, homelessness, and suffering. (more")