What follows is an opinion from a United States Court of Appeals. Your task is to identify the type of district court decision or judgment appealed from (i.e., the nature of the decision below in the district court).

Opinion:
Armour BAILEY, Appellant, v. UNITED STATES of America, Appellee.
No. 7466.
United States Court of Appeals Tenth Circuit.
Nov. 19, 1963.
Erwin A. Cook, Oklahoma City, Okl., for appellant.
Robert M. Green, Asst. U. S. Atty. (Newell A. George, U. S. Atty., District of Kansas, was with him on the brief), for appellee.
Before PICKETT, LEWIS, and BREITENSTEIN, Circuit Judges.
PER CURIAM.
For the second time appellant is here seeking relief under 28 U.S.C. § 2255 from a sentence imposed under 18 U.S.C. § 2113. The trial court, without a hearing, denied relief. On his prior application appellant contended that his guilty plea was not made voluntarily and understanding^. The trial court held to the contrary and we affirmed. Bailey v. United States, 10 Cir., 312 F.2d 679.
Appellant now contends that the sentence should be vacated because the prosecution followed an illegal arrest and search. We have held to the contrary in a case brought by a codefendant. See Sullivan v. United States, 10 Cir., 315 F.2d 304.
Appellant says that the present application should not have been denied without a hearing. The contention is without merit. As we pointed out in Sullivan, if the guilty plea was voluntary, the allegedly illegal conduct is no ground for relief under § 2255. In the prior § 2255 application we held that the guilty plea was made knowingly and voluntarily.
Affirmed.

Question: What is the type of district court decision or judgment appealed from (i.e., the nature of the decision below in the district court)?

Choices:
Trial (either jury or bench trial)
Injunction or denial of injunction or stay of injunction
Summary judgment or denial of summary judgment
Guilty plea or denial of motion to withdraw plea
Dismissal (include dismissal of petition for habeas corpus)
Appeals of post judgment orders (e.g., attorneys' fees, costs, damages, JNOV - judgment nothwithstanding the verdict)
Appeal of post settlement orders
Not a final judgment: interlocutory appeal
Not a final judgment: mandamus
Other (e.g., pre-trial orders, rulings on motions, directed verdicts) or could not determine nature of final judgment
Does not fit any of the above categories, but opinion mentions a "trial judge"
Not applicable (e.g., decision below was by a federal administrative agency, tax court)

Answer: 9