In Ace Ventura : Pet Detective , the actual Einhorn is presumed dead with a missing body , and Finkle uses her identity to join the Miami Police Department to get revenge against the Dolphins as well as Marino .
Ventura realises that Einhorn is in fact Finkle : Finkle used the fact that the actual Einhorn was missing and presumed dead ( but with no body found ) , and took on her identity , had surgery to change his gender , and began a career with the Miami Police Department to eventually get revenge on Marino and the Dolphins .
Ace Ventura-COLON- Pet Detective