Show (one's) heels phrase
To leave very quickly, especially because you are frightened of possible danger.
The thief showed his heels when being discovered.
Mary showed her heels when the police came close to her, and such that made her become the prime suspect.
The driver regrets showing his heels after causing the accident.
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
To flee or run
To flee overnight, often to avoid creditors
To leave at a favorable moment
To leave quickly and secretly
The verb "show" must be conjugated according to its tense.
This phrase dates from the first half of 1500s.
People tend to remember the bad things others do and while they easily forget or get rid of others' good things.