Why is Thomas Putnam willing to speak of witchcraft? How does Mrs. Putnam know what Ruth was doing in the woods?Act I

Goody Putnam asked Ruth to go to Tituba. She wanted Tituba to talk to her seven dead babies. Thomas Putnam is vengeful, and land-greedy, so he will take any opportunity to spread a bad word of anyone.

Of course,l he thinks that he is above all suspicions.