Because revealing evidence jeopardizes the investigation and leaving the suspect free allows them to simply get another computer and do the crime again. She even publicly announced she will get another computer, and what have they done? Nothing. The police knocked on her door and waited 20 minutes for her to answer. She refused to unlock her door. She also hung up on the police several times as they asked her to let them inside to serve the search warrant.
I’ll paint you a picture from a 1st world country: police suspected me of being the driver in a speeding case and wanted me to come to the police station for interrogation. According to my country’s laws, I didn’t have to comply, so I didn’t. The head of the station then tried to intimidate me by threatening to hold me hostage, which he couldn’t legally do for something like that. In the end, a lot of huffing and puffing and me being “uncooperative.