A person that lie and do things at your back, and got couht, and to justifide the action, put some action she is not sure you did it, but use that to do it as excuse,does has a mental desorder?? ?

It is possible that this person may have a mental disorder, such as a personality disorder or a tendency towards manipulative behavior. However, it is important to note that not all individuals who lie and deceive others have a mental disorder. It is important to seek professional help and guidance in order to properly assess and address the behavior of this individual.