Who will pay to replace Baltimore's Key Bridge? The legal battle has already begun

Salvage crews in Baltimore continue to remove wreckage from the Dali on April 26, one month after the cargo ship smashed into the Francis Scott Key Bridge and caused it to collapse. (Chip Somodevilla/Getty Images)

Workers have yet to finish removing pieces of the Francis Scott Key Bridge from Baltimore Harbor.

Investigators are still trying to understand why a cargo ship called the Dali lost power before crashing into the bridge in March, killing six people, blocking the Patapsco River and severing an interstate highway.