Matthew 27:63 saying, “Sir, we remember, while He was still alive, how that deceiver said, ‘After three days I will rise.’
When people try to cover up the truth they have to use lies to cover up things in the hope that people will believe their lies instead of the truth.
The Pharisees did not want anyone to have any excuse for believing anything other than what they wanted people to believe; so they tried to prevent Christ from fulfilling His promise.
If they had believed Christ was God I am sure they would not have asked for the tomb to be secured!
But they did. They continued the lie they started and had to use more lies to cover up more lies…