Agressive Approach

They began using aggressive techniques to try and pressure Sarah. Sarah thought that this treatment was absurd, but she knew that she needed to be cautious.
All that she says to them can be used against her.
Keep calm

Sarah was scared that she might be in trouble or even thrown in jail. Sarah refused to talk and remained calm when the detective intimidated her.
She was aware of her right to silence and would not say anything unless she had legal counsel.