What three things does Danforth learn about Abigail that make him begin to doubt her character?

Danforth learns three things about Abigail that make him begin to doubt her character:

1) In the courtroom, she is seen laughing and whispering with Mercy Lewis. This behavior is inappropriate and disrespectful in a court of law.

2) Mary Warren testifies against Abigail, claiming she saw Abigail stab the poppet to hurt Elizabeth Proctor.

3) Abigail was caught lying about having seen the Devil in the Proctors' home.