Simple past tense and past participle of sleuth.(verb)
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Use "sleuthed" in a sentence
"Russian hackers and Iranian data scrapers would have easily singled out 32 and 3 and 24 as mnemonic devices associated with legendary American athletes, but not even the most determined hacker would have ever sleuthed his way to the number 81."
"Eventually, Enbridge CEO Pat Daniel withdrew the objections after OnEarth and other reporters sleuthed out the truth, and demonstrated that the spill was indeed Canadian tar sands heavy crude."
"Years ago, for Redbook, I sleuthed out biased judges, resulting in one being booted off the bench and official investigations being launched on two others."