Deu 19:15, Mat 26:59-60, Act 6:11 | ESV | STEP | A single witness shall not suffice against a person for any crime or for any wrong in connection with any offense that he has committed . Only on the evidence of two witnesses or of three witnesses shall a charge be established .

Deuteronomy 19:15

Laws Concerning Witnesses

15 “A single witness shall not suffice against a person for any crime or for any wrong in connection with any offense that he has committed. ^aOnly on the evidence of two witnesses or of three witnesses shall a charge be established.

Matthew 26:59-60

59 Now the chief priests and the whole council ^{▼▼Greek Sanhedrin} ^cwere seeking false testimony against Jesus that they might put him to death, 60 but they found none, ^dthough many false witnesses came forward. At last ^etwo came forward

Acts 6:11

11 Then ^fthey secretly instigated men who said, “We have heard him speak blasphemous words against Moses and God.”