What happened to detective Linda Arndt?

It sounds like she went from believing one of the Ramseys was the killer to being an advocate of them. They even sent her flowers! This is from Steve Thomas' book:

The detectives were concerned about one of their own. Linda Arndt, who had been a good cop, now seemed unhappy, withdrawn, or outright hostile. It looked as if the problems she had encountered as the first detective at the Ramsey home were eating her up inside. In early March Arndt had a private meeting with Patsy. She drove to the home of a Ramsey friend, where Patsy greeted her with a hug. Arndt reported that she took off her blazer and even lifted her sweater to prove to lawyer Patrick Burke that she wore no recording device and carried no police equipment whatsoever, not even a gun. We were enraged about the unauthorized visit, which Arndt termed “personal.”

Since we had been trying for so long without success to get formal interviews, any information would have been welcome, but when I asked what they talked about during the hour-long chat, she looked me in the eye: “I told Patsy our conversation would be in confidence. I can’t tell you.” “You’re a detective, Arndt!” I protested. “You have a duty to give us that information.” “I can’t tell you,” she repeated, and she never did.