In Cryptic Development, FBI Raises Reward in Prosecutor Murder Case to $1.5M

Deputy Attorney General Rod Rosenstein speaks at a press conference on the investigation into the murder of federal prosecutor Tom Wales at the U.S. Attorney's Office Western District of Washington in Seattle on Feb. 21, 2018. Seattle Mayor and former U.S. Attorney, Jenny A. Durkan, stands behind him. Karen Ducey/Getty Images

In a cryptic development to one of the highest-profile cold-case investigations in the United States, the FBI raised the reward for information on the murder of federal prosecutor Tom Wales to $1.5 million on Wednesday, Feb. 22.

The second highest official at the Department of Justice, Deputy Attorney General Rod Rosenstein, flew out to Seattle to attend the announcement, further underlining the importance of the probe to federal authorities.