Put/throw somebody off the scent
Definition 1 of 1
Pro Tip 1/3Idiomatic Origins
This phrase originates from hunting where dogs are misled by a changed or masked scent. 
He shared false rumors to put the competitors off the scent of his company's new strategy.
Pro Tip 2/3Figurative Use
The phrase is often used figuratively to mean distracting someone from finding the truth or real intention. 
In debates, misquoting statistics may throw the opponent off the scent.
Pro Tip 3/3Deception Involved
Using the phrase implies an intentional act to deceive or confuse, rather than a misunderstanding. 
She changed the subject to throw her friend off the scent of the surprise birthday party.