When did the human race come under Satan's control?
The whole human race fell under Satan’s control when Adam sinned. That fall is why Christ paid the redemption price with His own blood at Calvary, so that every human being’s sin could be covered and believers brought back to God through faith.
Les explains that the book of redemption is God paying the price to bring Israel out from under Egyptian bondage and back to Himself. For the whole world population in general, He paid the price with His own blood. The cross of Calvary is where Christ paid the price of redemption so that the whole human race, which fell under Satan’s control when Adam sinned, could be redeemed. He has paid the price of redemption for all, but you cannot appropriate it until faith comes into the picture. The blood is the price of redemption; without the shedding of blood, there is no remission. Had not Christ shed His blood, the redemption price would never have been paid.