Will i be charged with rape if a 15 year old girl lie about her age to a 18 year old

A girl told me she was 16 to have sex with me im 18 an later to find out shes only 15 years old . this same girl tried to have her friends set me up an try an rob me while im having sex with her one night in the car an i shot an killed one of the robbers her cousin an two of her brothers are all in jail for now the other 2 boys are in jail for strong armed robbery and murder under the stand your ground law an i was defending myself well now we have to go to her court date for the murder an i know the truth about our ages is going to come out that we was having sex because of the whole investigation of the murder and part of the plan of the set up to to rob me her parents will try an do whatever to get back at me well since her daughter is now in jail for a murder charge even though she lied to me and said she were 16 .i have proof of screenshots to were she told me her age an where she wanted to have sex an it was consensual ik they gonna want pay back for the death of her nephew