October Term 2017 · Docket 15-1485

Did police have probable cause to arrest party guests?

Police arrested guests at a party in a vacant home. The guests claim the officers lacked probable cause.

Official caption
District of Columbia v. Wesby
Latest argument session
Latest official Court activity
Latest verified event
Argued
Sources analyzed through
Official Transcript

Verified source milestones

  1. — An official oral-argument transcript was verified.

The arguments, in order

This case may have been argued more than once. Each entry below uses that session's official transcript. Later arguments do not erase earlier ones.

  1. Argument 1 ·

    What happened at the argument

    Todd Kim argued the lower courts made two fundamental errors in analyzing probable cause.

    Todd Kim stated the lower courts took important facts out of context.

    Todd Kim claimed the lower courts used an inappropriate divide-and-conquer analysis.

    Todd Kim emphasized that probable cause is a practical standard for officers.

    Read the official transcript for this argument · Official argument details

    Sources used for this argument breakdown

A citizen's guide to the whole case

What this case is about

This case tests the standard for probable cause. It asks if officers can arrest guests based on a tip about a party in a vacant home.

Official sources for this section

How the case got here

The Supreme Court heard oral argument in this case on October 4, 2017.

Official sources for this section

What each side wants

The District of Columbia wants the arrests upheld as lawful.

The guests want the arrests declared unlawful and their claims preserved.

Official sources for this section

What each side says

The District argues the lower courts improperly isolated facts to deny probable cause.

The guests argue the officers lacked probable cause because the host confirmed their presence.

Official sources for this section

What the justices asked

Chief Justice Roberts asked how many people were in the home.

Justice Sotomayor asked if the guests needed to prove their right to be there.

Official sources for this section

Why it matters

This case defines the practical limits of police authority during arrests. It clarifies how courts evaluate probable cause in ambiguous situations.

Official sources for this section

What happens next

This article currently covers the argument record. Use the official docket link for later case activity.

Official sources for this section

Official Court provenance

Official docket and case history · Official Supreme Court oral-argument detail page

Title and summary sources

Revision history

  1. Revision 1 · Official Transcript ·

    Correction: Rewritten to the concise citizen-facing editorial standard.

  2. Revision 2 · Official Transcript ·

    Correction: Migrated to the dated official Court activity contract without model use.

Download this sanitized case as JSON