"Interrogator": "How do you know that she killed her husband? Did you witness her killing him?", 
"Interrogee": "No, it was not shown but she while she confronted Lakshmi. She was smiling and she was she was happy that the the her plan worked. And she also confessed that yes, I killed my husband and now you are robbing my house and you will frame for that robbery as well as that murder."