United States v. Urias-Marrufo, 744 F.3d 361, 364 (5th Cir. Feb. 28, 2014) (the district courts denial of a motion to withdraw a plea is evaluated by considering the following factors: (1) whether or not the defendant has asserted his innocence; (2) whether or not the government would suffer prejudice if the withdrawal motion were granted; (3) whether or not the defendant has delayed in filing his withdrawal motion; (4) whether or not the withdrawal would substantially inconvenience the court; (5) whether or not close assistance of counsel was available; (6) whether or not the original plea was knowing and voluntary; and (7) whether or not the withdrawal would waste judicial resources .... We also consider, where applicable, the reasons why a defendant delayed in making his withdrawal motion. The above factors are non-exclusive, and we ultimately examine the totality of the circumstances.) (footnotes omitted); quoting United States v. Carr, 740 F.2d 339, 343-344 (5th Cir. Aug. 17, 1984).