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Answer:
I understand the use of Brainly to find the answers to problems, but if the answer is literally given to you in an excerpt to writing and you only need to read it to find what it says, you should do the very little bit of effort it would take to read what it gives you and answer the question...
Explanation:
After killing her husband, she put on an act. She started crying and sulking when the police were at the house examining the body. Her actions made the investigators assume that she did not do it.