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I just saw your follow-up question; for some reason, I was not notified. Sorry for the delay.
If a GUILTY PLEA was entered, then that is going to be an obstacle for you because it's an admission of the allegations, which would cut against a civil claim for malicious prosecution. The only chance to get around this is if you can prove that the person was defrauded, coerced, forced, tricked, etc. into accepting the plea - - which is difficult to prove.
Thus, this would be difficult to overcome in a civil action unless the guilty plea were withdrawn by a court with proof that the plea was not voluntarily made.
Thanks for allowing me to assist you. I'll be glad to answer any additional questions you have regarding this or any other issue. If the need arises, please let me know.