how do you do this?

Hello successfull REI’s

I hope someone can help me with a question. Property X is in foreclosure, it get’s sold at the sheriff’s sale on 8/24. In this state (colorado) there is a 75 day redemption period for the home owner. Now my question is, after the home has been sold at Sheriff’s sale is there any way to pursue this property? If so who would I start with?

Thanx in Advance