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K Costello-Mays — Arlington County Officer Records (2025)

What happened in 112 cases involving this officer

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Charged after an arrest by K Costello-Mays? 26.1% of their cases were dismissed.

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K Costello-Mays
Arlington County
26.1%
Dismissed
▼ vs 40.5% statewide
71.7%
Convicted
112
Cases
31th
Percentile
Top charge: Other
112 cases · 2025
Based on 112 public court records VirginiaCourtFile.com

If K Costello-Mays filed your case in Arlington County, here's what the data shows: 26.1% of their 112 cases were dismissed, and 71.7% resulted in conviction. That dismissal rate is below the statewide average of 40.5%. Statewide, this is higher than 31% of Virginia officers.

The most common charge in this officer's cases is Other (47 cases, 34.1% dismissed), followed by Traffic Infraction (36 cases). What happens in your case depends on your specific charge, the facts, and the court — but this data gives you a starting point.

Based on 112 public court records, 2025. Cases heard at Arlington County District Court. Dismissal rate includes cases dropped by the court or prosecutor. Conviction rate includes guilty pleas and trial verdicts. Last updated: May 2, 2026

Cases by Charge Type

Charge Cases Dismissal Rate
Other 47 34.1%
Traffic Infraction 36 11.5%
DUI / DWI Guide 11 0.0%

Other Officers in Arlington County

Officer Cases Dismissal Rate
J Trainer 983 20.1%
B Ciero 961 56.3%
G Seibert 857 35.5%
K Heath 772 34.6%
M Cymbalisty 757 30.6%

Common Questions

Statistics from public court records for informational purposes only. Not legal advice. Officer statistics reflect case outcomes, not performance. Past outcomes do not predict future results.

Cases involving K Costello-Mays have a 26.1% dismissal rate, compared to the statewide average of 40.5%, based on 112 cases from 2025 public court records. This rate is higher than 31% of Virginia officers. Many factors beyond the officer contribute to case outcomes.
The most common charges in cases involving K Costello-Mays include Other (47 cases), Traffic Infraction (36 cases), DUI / DWI (11 cases). See the full charge breakdown table above for details on each charge type.
Based on 11 DUI / DWI cases involving K Costello-Mays in Arlington County, 0.0% were dismissed. View full DUI / DWI outcomes for Arlington County.
These statistics reflect case outcomes from public court records, not officer performance evaluations. Dismissal rates are influenced by charge type mix, jurisdiction practices, evidence factors, and other variables. They do not predict individual case outcomes. Consult a licensed attorney for guidance on your specific situation.

Data source: Virginia public court records, 2025. 112 cases analyzed. Last updated May 2, 2026. See the 2025 Virginia Criminal Court Outcomes report for statewide context. — VirginiaCourtFile.com

What's Next

26.1% of this officer's cases in Arlington County are dismissed. A defense attorney who knows this court can review your case — free, no obligation.

Ask a Arlington County attorney — free