Karen Read has taken her double-jeopardy challenge to toss the murder charge against her to federal court on the same day a lower-court judge said she has “grave concern” about the

The judge overseeing the Karen Read case in Massachusetts suddenly suspended an evidentiary hearing Tuesday afternoon after she said she got new information from prosecutors "that causes me grave concern.

Prosecutors stated in court on Tuesday that two experts who testified were hired by the FBI and also sent Karen Read's defense a bill for nearly $24,000.