A volunteer for Sen. Elizabeth Warren Elizabeth WarrenOvernight Defense: Appeals court revives House lawsuit against military funding for border wall | Dems push for limits on transferring military gear to police | Lawmakers ask for IG probe into Pentagon's use of COVID-19 funds On The Money: Half of states deplete funds for Trump's 0 unemployment expansion | EU appealing ruling in Apple tax case | House Democrats include more aid for airlines in coronavirus package Warren, Khanna request IG investigation into Pentagon's use of coronavirus funds MORE's (D-Mass.) presidential campaign died in a car crash earlier this week.

The Omaha World-Herald reported that Zachary Crombie Presberg's car collided with two semitrucks in Pottawattamie County east of Omaha on Monday evening.

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Warren's campaign said that Presberg, 22, was a native of Piedmont, Calif. and graduate of Lawrence University.

He joined her campaign in the summer as an organizing fellow and continued as a volunteer after his fellowship ended.

In a statement Warren said: "Bruce and I are heartbroken over Zac’s passing and offer our deepest condolences to his parents, family and friends."

"Through his dedication and volunteerism, Zac represented the very best of us," she added.