a piece of evidence that clearly proves guilt
кусок доказательства, который ясно подтверждает вину (kusok dokazatel'stva, kotoryy yasno podtverzhdaet vinu)
"The email was the smoking gun in the corruption case."
"Электронное письмо было дымным пистолетом в деле о коррупции." (Elektronnoye pis'mo bylo **dymnym pistoletom** v dele o korruptsii.)
to decide to do something risky or difficult
to focus on the most important things before others
to prepare for all possible outcomes; to be cautious
to use one's influence or connections to get things done
To invent a false story.
to continue doing something despite difficulties