The media coverage of the Boston Marathon bombings has been characterized by a dizzying whirlwind of confusion. Conflicting reports? Check. Embarrassingly premature claims that a suspect has been arrested? Check. The misidentification of two completely innocent teenagers as possible suspects? Check.

What's missing are some actual answers about a devastating attack that killed three people and wounded more than 170 others. The FBI on Thursday scheduled a press conference to update the public on the status of its investigation, which is expected to offer at least some clarity. The presser is set to start at 5 p.m. EST.