Central District of California • 5:26-cv-04736
Mamadou Diallo v. Markwayne Mullin
Active
Case Information
Filed: August 19, 2026
Assigned to:
Sheri N. Pym
Referred to:
—
Nature of Suit: Habeas Corpus - Alien Detainee
Cause:
28:2241 Petition for Writ of Habeas Corpus (federal)
Active
Last Activity:
August 31, 2026
Parties:
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Docket Entries
#1
Aug 19, 2026
PETITION for Writ of Habeas Corpus by a Person in Federal Custody (28 USC 2241), Receipt No. ACACDC-43101693 for $5 filing fee, filed by Petitioner MAMADOU DIALLO. (Attachments: # 1 Declaration IN SUPPORT OF PETITION FOR WRIT OF HABEAS CORPUS) (Attorney Carrie M LeRoy added to party MAMADOU DIALLO(pty:pet))(LeRoy, Carrie) (Entered: 08/19/2026)
Main Document:
Petition for Writ of Habeas Corpus (Attorney Civil Case Opening)
#2
Aug 19, 2026
CIVIL COVER SHEET filed by Petitioner MAMADOU DIALLO. (LeRoy, Carrie) (Entered: 08/19/2026)
Main Document:
Civil Cover Sheet (CV-71)
#3
Aug 20, 2026
The Petitioner has voluntarily consented to have a Magistrate Judge conduct all further proceedings in this case, including trial and entry of judgment. THERE IS NO PDF DOCUMENT ASSOCIATED WITH THIS ENTRY. (et) TEXT ONLY ENTRY (Entered: 08/20/2026)
#4
Aug 20, 2026
NOTICE OF ASSIGNMENT to a U.S. Magistrate Judge. This case has been assigned to Magistrate Judge Sheri Pym. (et) (Entered: 08/20/2026)
Main Document:
Notice of Assignment to U.S. Magistrate Judge CV-25B optional html form
#5
Aug 20, 2026
Notice of General Order 26-05 and Briefing Schedule. (et) (Entered: 08/20/2026)
Main Document:
Notice (Scheduling Order 2241) - optional html form
#6
Aug 20, 2026
NOTICE of Related Case(s) filed by Petitioner Mamadou Diallo. Related Case(s): 5:26-cv-03090-SP (LeRoy, Carrie) (Entered: 08/20/2026)
Main Document:
Related Case(s)
Aug 20, 2026
2241 Initial Case Assignment Consent or Declination
#7
Aug 24, 2026
This action has been fully consented to according to General Order 26-05. The case will proceed before a magistrate judge. THERE IS NO PDF DOCUMENT ASSOCIATED WITH THIS ENTRY. (kca) TEXT ONLY ENTRY (Entered: 08/24/2026)
Aug 24, 2026
Immigration 2241 Full Consent
#8
Aug 28, 2026
Notice of Appearance or Withdrawal of Counsel: for attorney Mallory Lynn counsel for Respondents Todd Blanche, Markwayne Mullin, Ernesto Santacruz, Fereti Semaia, David Venturella. Adding Mallory Lynn as counsel of record for Markwayne Mullin, Todd Blanche, David Venturella, Fereti Semaia, Ernesto Santacruz for the reason indicated in the G-123 Notice. Filed by Respondents Markwayne Mullin, Todd Blanche, David Venturella, Fereti Semaia, Ernesto Santacruz. (Attorney Mallory Lynn added to party Todd Blanche(pty:res), Attorney Mallory Lynn added to party Markwayne Mullin(pty:res), Attorney Mallory Lynn added to party Ernesto Santacruz(pty:res), Attorney Mallory Lynn added to party Fereti Semaia(pty:res), Attorney Mallory Lynn added to party David Venturella(pty:res))(Lynn, Mallory) (Entered: 08/28/2026)
Main Document:
Notice of Appearance or Withdrawal of Counsel (G-123)
#9
Aug 28, 2026
re: PETITION for Writ of Habeas Corpus by a Person in Federal Custody (28 USC 2241), Receipt No. ACACDC-43101693 for $5 filing fee 1 filed by Respondents Todd Blanche, Markwayne Mullin, Ernesto Santacruz, Fereti Semaia, David Venturella. (Lynn, Mallory) (Entered: 08/28/2026)
Main Document:
Objection/Opposition (Motion related)
#10
Aug 31, 2026
REPLY filed by Petitioner Mamadou Diallo to Objection/Opposition (Motion related), 9 IN SUPPORT OF PETITION FOR WRIT OF HABEAS CORPUS (LeRoy, Carrie) (Entered: 08/31/2026)
Main Document:
Reply
Parties
Mamadou Diallo
Party
Markwayne Mullin
Party