532 F.Supp.3d 1074
E.D. Okla.2021Background
- Defendant Jayce Michael Mosquito is charged with aggravated sexual abuse in Indian country for an alleged June 4, 2018 incident involving his one-year-old daughter; he allegedly told officers he was changing her diaper when discovered.
- The government moved to admit six prior incidents involving a different alleged victim ("Child Victim #2," now an adult) under Fed. R. Evid. 414 and, alternatively, Rule 404(b); the prior acts span when she was roughly 4–6 years old through adolescence.
- The proffer describes five repeated incidents of the defendant rubbing his genitals against the child (and one later incident of lewd conduct at age 14–15).
- The court applied the three Rule 414 threshold requirements (defendant accused of child molestation; prior acts constitute child molestation; evidence is relevant) and then performed a Rule 403 balancing using the Tenth Circuit factors.
- The court found the first five incidents satisfied the Rule 414 threshold and survived the Rule 403 balancing (similarity, probative value, limited risk of unfair prejudice with a limiting instruction, single witness, and need for corroborating evidence); the sixth incident was excluded.
- The court also admitted incidents 1–5 under Rule 404(b) for motive, intent, and absence of mistake or accident, and said it will give a limiting instruction; the ruling is preliminary and subject to reconsideration at trial.
Issues
| Issue | Plaintiff's Argument | Defendant's Argument | Held |
|---|---|---|---|
| Admissibility under Rule 414 (other child-molestation acts) | Gov: Defendant is charged with a Chapter 109A child-molestation offense; prior acts involve the same victim-class and are relevant for propensity and other matters. | Mosquito: Prior acts are remote, prejudicial, and not sufficiently proven. | Court: Incidents 1–5 admissible under Rule 414; incident 6 excluded. |
| Proof standard for prior acts | Gov: Witness (Victim #2) will testify to the prior acts; meets preponderance standard. | Mosquito: Government’s minimal proffer insufficient to prove other acts. | Court: A jury could find the acts occurred by a preponderance if Victim #2 testifies credibly; no evidentiary hearing required. |
| Rule 403 balancing (prejudice vs. probative value) | Gov: Similarity of acts, need for corroborating evidence, and concise single-witness proof outweigh prejudice; limiting instruction will mitigate risk. | Mosquito: Prior acts are inflammatory, risk improperly-based verdict, and distract from central issues. | Court: Probative value not substantially outweighed by unfair prejudice; limiting instruction and narrow proof reduce risks. |
| Admissibility under Rule 404(b) (motive/intent/absence of mistake) | Gov: Same evidence also shows motive, intent, and lack of mistake (contradicts diaper-changing explanation). | Mosquito: Admission forces him to defend uncharged conduct and is unfairly prejudicial. | Court: Incidents 1–5 admissible under Rule 404(b) for stated purposes; jury will receive limiting instruction. |
Key Cases Cited
- United States v. Mercer, [citation="653 F. App'x 622"] (10th Cir. 2016) (Rule 414 threshold and Rule 403 balancing guidance)
- United States v. Guardia, 135 F.3d 1326 (10th Cir. 1998) (propensity inference satisfies relevance under Rule 414)
- United States v. Batton, 602 F.3d 1191 (10th Cir. 2010) (Rule 414 analysis)
- United States v. Magnan, [citation="756 F. App'x 807"] (10th Cir. 2018) (preponderance standard for proving other acts)
- United States v. Benally, 500 F.3d 1085 (10th Cir. 2007) (staleness and similarity considerations)
- United States v. Smalls, 752 F.3d 1227 (10th Cir. 2014) (Rule 404(b) admissibility framework)
- United States v. McHorse, 179 F.3d 889 (10th Cir. 1999) (Rule 414 evidence may be presented in government’s case-in-chief)
- United States v. Eads, 191 F.3d 1206 (10th Cir. 1999) (jurors presumed to follow limiting instructions)