Calvert Co. State Police blotter; Prince Frederick barrack; 06-FEB-2024

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Possession of Controlled Substance

On January 17, 2024, Trooper First Class Kreczmer #6916 pulled over John Blackwell, 39 year old male of Port Republic, for exceeding the posted speed limit. Once TFC Kreczmer approached the vehicle he observed Blackwell with pinpoint pupils. A Standard Field Sobriety Test (SFST) was partially performed and unsuccessfully completed while partially refused. Blackwell was placed under arrest for Driving Under the Influence of Controlled Dangerous Substance. A search of Blackwell’s vehicle was performed and a result of that search revealed Suspected Heroin in the center console of vehicle.Blackwell was transported to the Calvert County Detention Center where he was charged accordingly.

False Statement to Officer & ID Fraud

On January 27, 2024 Trooper First Class Kreczmer #6416 pulled over a silver Jeep bearing VA registration for impeding the free flow of traffic. Contact was made with the driver who was later identified as Khary Thomas, a 26 year-old male of Washington DC. Thomas was made aware of the reason for the stop and asked to provide his license and registration for the vehicle. Thomas provided Trooper First Class Kreczmer with the passengers drivers license, later disclosing he did not have a driver's license. When asked his name and DOB Thomas provided a fictitious name and DOB that was ran through METERS/NCIC showing no match. Thomas was detained and advised he would remain detained until he was positively ID. Thomas later provided his full name and DOB revealing he has an active warrant through the Worcester County Sheriff’s Office for three (3) counts of theft. Thomas was transported to the Calvert County Detention Center where his warrant was left as a detainer and charged accordingly.

DUI Arrests
Date of Arrest
Location of Address​
Arresting Trooper​
John Blackwell
Port Republic​
Trooper First Class Kreczmer​
Gabriel Garcia-Torres
Trooper First Class Kaitz​
James Williams
St. Leonard​
Trooper Snyder​
Ricardo Martinez
Prince Frederick​
Trooper Snyder/Trooper Collins​
Damien Bowen
Temple Hills​
Trooper Custis/Trooper Collins​
Melissa Harris
Prince Frederick​
Trooper Miller/Trooper Snyder​

The following have been Arrested for open Warrants

Shawn Darnell Jones
was arrested on 1/20/24 for an open arrest warrant through the Leonardtown Barrack.

Vaughn Mackall was arrested on 1/20/24 for an open arrest warrant through Anne Arundel County Sheriff’s Office.

Damien Bonds was arrested on 1/23/24 for an open warrant through Leonardtown. Bond’s was transferred to St. Mary’s Detention Center.

William Adams was arrested on 1/25/24 for two active warrants in St. Mary’s County.

Khary Thomas was arrested on 1/27/2024 for an active warrant through Worcester County.

Adonis Calderon was arrested on 1/29/2024 for an active warrant through St. Mary’s County.

Disclaimer: In the U.S.A., all persons accused of a crime by the State are presumed to be innocent until proven guilty in a court of law. See: Additionally, all of the information provided above is solely from the perspective of the respective law enforcement agency and does not provide any direct input from the accused or persons otherwise mentioned. You can find additional information about the case by searching the Maryland Judiciary Case Search Database using the accused's name and date of birth. The database is online at . Persons named who have been found innocent or not guilty of all charges in the respective case, and/or have had the case ordered expunged by the court can have their name, age, and city redacted by following the process defined at