Season three sees Bubbles assist the major case unit once again.

They store the cake in a refrigerated case unit so that the cake stays fresh until tomorrow.

The accusations were sent to the prosecutor's cold case unit.

The major case unit arrested Tree in the course of preparing for yet another skirmish.

He makes a deal to start a cold case unit that are either cold and/or can't be solved by normal procedures.

For the past year, the cold case unit of the district attorney's office has reinvestigated the case.

McNulty espouses his opinion that the major case unit contains the best investigators in the entire department.

Her case was added to the newly established cold case unit in late 2009.

In 2003, Cox created a cold case unit to investigate and prosecute cold cases.

"But isn't there a separate cold case unit?"