Non est inventus
Defined in 2 dictionaries — Ballentine's (1916), Black's (1910)
Ballentine's Law Dictionary
James A. Ballentine · 1916
He cannot be found, an officer’s return on a process. See 38 Fed. (U. S.) 144. Non est justum aliquem antenatum post mortem facere bast ardum, qui tota tempore vitae suae pro legitimo habebatur. It is not just to make anyone a bastard after his death who during his whole lifetime was regarded as legitimate.
Black's Law Dictionary
Henry Campbell Black, M.A. · 1910
Lat. He is not found. The sheriff's return to process requiring him to arrest the body of the defendant, when the latter is not found within his jurisdiction. It is often abbreviated "n. e. i.," or written, in English, "not found." The Bremena v. Card (D. Ct) 38 Fed. 144.