And while this is the role that many Democratic leaders would be expected to play in this situation, this crop of candidates has an added challenge.

Because this also means there are no meaningful distinctions among the candidates to help guide the eventual 601 delegates who will decide who should run in one of the most closely watched Senate contests in the country.

Indeed, the practical political impact of the tragic situation in Biddeford on the Maine Senate contest is this: What was expected to be an intense two-week primary campaign has effectively been reduced to one week. And the week currently being overtaken by the shock and anger is likely the most crucial.

That’s because 5 p.m. Wednesday is the deadline for supporters to sign up to become delegate candidates for the July 25 statewide convention in Bangor.

Those delegate candidates will then be elected at caucuses held in each of the state’s 16 counties over this coming weekend. From that process will come the 601 delegates who will decide which Democrat will challenge five-term Republican incumbent Susan Collins this fall.

In fact, the best organized campaigns will likely know by Sunday who has already won the contest because they can simply add up how many of their own supporters became delegates.

In other words, the contest could be effectively over before most Mainers even begin to really pay attention.

Further, unlike some major news developments that provide a moment of political clarity, this tragic situation in Biddeford resolves nothing. Instead, it raises the stakes for Democrats to make the right choice.

What that means in the context of choosing between a more progressive populist candidate in the mold of Platner or a more traditional Democrat in the mold of this year’s Democratic nominee for governor, Hannah Pingree, remains an open question.

There is simply less time now to discuss it.

Now, none of the above is meant to take away from the discussion about a husband and father who was killed by the government and whatever circumstances led to that tragedy.

To be sure, the moment a Democratic nominee is selected, the role of ICE will immediately become the first real dividing-line issue in the Senate race. After all, Collins oversees ICE’s budget as chair of the Senate Appropriations Committee and has been actively involved in conversations with the administration about enforcement in Maine.

But as to who should face her, the clarity and contrasts that campaigns tend to reveal are not currently there among Democrats at a time when they would be most helpful. As it stands, all of the candidates oppose the Trump administration’s overall agenda, oppose the Iran war, promote some version of an affordability message, and, above all, oppose Collins.

Nor is there an obvious choice if Maine Democratic delegates decide electability should be their highest priority.

Campaigns rarely unfold on the timetable candidates expect. Outside events intervene, reshaping what voters hear, what campaigns can talk about, and, ultimately, what party insiders have to evaluate.

In this case, Democrats face the unusual challenge of selecting a Senate nominee while the issue dominating the public conversation is one on which nearly all of the candidates already agree. That may produce unity after a bruising week, but it also leaves delegates with fewer opportunities to distinguish between the people asking for their votes before making one of the biggest political decisions in Maine this year.

James Pindell is a Globe political reporter who reports and analyzes American politics, especially in New England.

An ICE agent in Maine fatally shot into the car of Johan Sebastián Durán Guerrero, a 25-year-old Colombian national. CBS News reports that Independent Sen. Angus King of Maine said that “the person that was killed was not the person that they were seeking,”

BRUNSWICK, Maine – On a sunny Sunday, Senate hopeful David Costello worked the sidewalk in downtown Brunswick asking for signatures.

“Woud you happen to be a registered Democrat?” he asked one woman before engaging in a back and forth conversation. She asks if he’s progressive.

“Very progressive,” Costello said.

Costello is one of several Maine Democrats who see the fall of Graham Platner’s senate campaign as an opportunity to represent Maine in Washington.

Platner won June’s Democratic primary election handily. But allegations of rape by a former romantic partner last week forced him to drop out of the race. It leaves Maine Democrats scrambling to find a new nominee before the July 27 deadline to put a name on the ballot. Platner denies the allegations.

The Maine Democratic Party will hold a convention on July 25 where 601 delegates will choose that nominee. That candidate will need to capitalize on the enthusiasm Platner generated to defeat Republican Sen. Susan Collins.

An unstoppable incumbent or a top pick-up opportunity?

Sen. Susan Collins, R-Maine, leans down to listen to a young paradegoer at the annual Moxie Day Parade is Lisbon, Maine on July 11.

Susan Sharon/Maine Public

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Collins remained quiet at the end of Platner’s campaign but at the annual Moxie Day parade Saturday in Lisbon, Maine, she walked with volunteers in red shirts.

“People appreciate the fact that I provide steady leadership — and the word steady does come up a lot,” Collins said at the parade, “and that I continue to work really hard for Maine.”

Collins has represented Maine in the Senate since 1997. She has managed to stay in her seat even as Maine has voted for Democrats for president statewide, including in 2020 when the state voted for Joe Biden. Collins last won reelection that year with a comfortable margin — more than 8.5%.

At the annual Moxie Day Parade in Lisbon, Maine, supporters of Sen. Susan Collins, R-Maine, march with signs and giant letters spelling S-U-S-A-N, on July 11.

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Democrats see Maine as pivotal to their chances to retake the Senate. Platner’s departure from the race puts pressure on the party to choose a replacement candidate who can win over Platner’s loyal voters and appeal to independents who are key to Collins’ electoral success. Maine state Senate President Mattie Daughtry, a Democrat, is encouraged to see many of the candidates running on Platner’s progressive platform of transformational change. But she’s worried about voters being turned off by the process.