Give (one) enough rope to hang (one)self phrase
To allow someone to continue doing something wrong or harmful to themselves and then suffer the consequences of such a way of acting.
I knew he cheated on his wife but gave him enough rope to hang himself.
A: Should I tell the teacher that Mary is cheating? B: No. Give her enough rope to hang herself.
When the police stopped asking me and let me keep talking, I felt like they were giving me enough rope to hang myself.
The verb "give" must be conjugated according to its tense.
This phrase dates back to the mid 17th century.
To escape from the statement saying that someone is guilty of a crime or of doing something wrong or evade impeachment without being responsible for any sentence or punishment
It is unfair that he walked away scot-free though he committed a very serious crime.