en.wikipedia.org/wiki/John_Doe

"John Doe" (for males) and "Jane Doe" (for females) are multiple-use names that are used ... Use of "Jane Doe" in the sense of an unidentified corpse, includes: ... obsolete in the UK) mixed action of ejectment, the fictitious defendant being called Richard Roe". ... He had been questioned repeatedly by airport security staff.

www.gpo.gov/fdsys/pkg/USCOURTS-dcd-1_12-cv-01185/pdf/USCOURTS-dcd-1_12-cv-01185-1.pdf

Mar 21, 2013 ... Plaintiff says Defendants' counsel knows Officer Doe's identity since ... must substitute named defendants for those unknown defendants after.

www.prisonlegalnews.org/news/2002/jul/15/pro-se-tips-and-tactics-unknown-defendant-identities

Jul 15, 2002 ... Pro Se Tips and Tactics: Unknown Defendant Identities ... plaintiffs could not sue either the state or a state officer in his or her "official capacity.

richardharrislaw.com/john-doe-defendant-how-to-sue-an-unknown-person

Jul 8, 2015 ... Many people don't know how to name all of the responsible parties in a lawsuit when they do not know who they are. Fortunately, there is a way ...

ecollections.law.fiu.edu/cgi/viewcontent.cgi?article=1071&context=faculty_publications

Nov 11, 2014 ... The use of John Doe or Unknown Officer pleading is. 17 Rule .... unknown officer defendants under § 1983, including the defects and benefits ...

scholars.law.unlv.edu/cgi/viewcontent.cgi?article=1638&context=nlj

to add names of officials whose names were unknown). 2. See, e.g. ... sues, a number of questions as to changes in party defendants remain, which this article  ...

blogs.findlaw.com/injured/2014/10/dont-know-who-injured-you-can-you-still-sue.html

Oct 17, 2014 ... As you can see, handling cases with unknown defendants can get quite ... Officers declared "no fault" but insurance is charging me 100% liable.

www.americanbar.org/publications/criminal_justice_section_archive/crimjust_standards_pretrialrelease_blk.html

The judge or judicial officer decides whether to release a defendant on .... to the jurisdiction of the court when the defendant's whereabouts are unknown.

fordhamlawreview.org/wp-content/uploads/2018/02/20_Tomlinson-2071-2105.pdf

moved to amend her complaint to identify the previously unnamed officers, .... Unidentified Defendants After the Statute of Limitations Has Run: Questions ...