TV Newser rounds up the evolving coverage plans of the Boston Manhunt by the major broadcast and cable networks. A police source told NBC News that the manhunt could drag well into the weekend. If that proves to be the case, expect even more updates.

 CBS News has already scheduled a primetime special at 9pmET anchored by Scott Pelley. Also, “Evening News” will be expanded to an hour.

More: “NBC Nightly News with Brian Williams” will expand to a full hour tonight. “Rock Center” will dedicate the full live hour (10pmET/9pmCT) to the investigation.

More: ABC’s “World News with Diane Sawyer” will also be an hour. Elizabeth Vargas anchors a special edition of “20/20″ from Boston tonight.

More: Fox News is preempting “The Five” today; instead Bill Hemmer will anchor the hour from Boston. Shepard Smith will anchor his shows from Watertown and Greta Van Susteren will anchor from 10pm-Midnight also from Watertown.

More: CNN’s will be live until at least 1am, starting at 7pm, in this order: Erin Burnett, Anderson Cooper, Piers Morgan, Cooper, Burnett, Morgan.

TV Newser

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