obtaining the evidence, securing the proof, gaining the proof, procuring the evidence, acquiring the evidence, securing the evidence, obtaining the proof, gaining the evidence, procuring the proof
obtaining the evidence, securing the proof, gaining the proof, procuring the evidence, acquiring the evidence, securing the evidence, obtaining the proof, gaining the evidence, procuring the proof
substantiating, verifying, confirming, validating, authenticating, supporting, affirming, proving, attesting, corroborating, endorsing, upholding, justifying, establishing, demonstrating, certifying,... [more]
recheck, double-check, confirm again, validate again, reassess, reexamine, review, revalidate, reauthenticate