Yes, that is how John Newton, an evil slave ship captain could create the song, Amazing Grace. "Amazing Grace, how sweet the sound, that saved a wretch like me..."To all actually:
I have mentioned it before - David Wood of Acts17Apologetics has a testimonial YT video that is powerful.
David is a sociopath and by his report does not feel emotions.
He was in jail for an assault on his father and became a Christian while in jail.
I mention him because he typifies the type of person that would normally be considered "unsaveable". Yet he is saved.
There is no end to the power of God to work on your behalf if you truly seek Him, no matter what your spiritual or biological condition is.
Even those who we might describe as "born evil" can and do become saved.