Seminole County Sheriffs Office Explorer Post 517

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Sanford, FL
Seminole County Sheriffs Office Explorer Post 517

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Explorer Post 517 provides the opportunity for young adults, ages 14-21, to gain an insight into Law Enforcement as a possible career field.

The Seminole County Sheriff’s Office Explorer Program is a branch of the Seminole County Police Athletic League. Our goal is not only to provide an understanding of Law Enforcement, but also to look at the many segments of Law Enforcement as a possible profession. As a member of Explorer Post 517 you will have the opportunity to participate in community service activities throughout Seminole County as well as working with Deputies and other employees of the Seminole County Sheriff’s Office.

10/12/2026

A successful weekend for the SCSO Explorers! While our Pistol Team is currently re-building, two explorers, Sergeant Eric Sedeniussen and Sergeant Jammar Osgood competed at this weekends competition.

Sergeant Eric Sedeniussen received 1st Place Marksman in the Pistol competition.

This weekend was a great opportunity for the Explorers to bond as a team and to train together.

10/10/2026

Great day of training for the SCSO Explorers at the FAPE October Delegates in Fort Lauderdale 😎

10/05/2026

The latest edition of the 517 Dispatch Newsletter is out! 📢

10/04/2026

Rain 🌧️ or shine ☀️ the SCSO Explorers had a great time assisting with the German American Society festival once again! We will be back out later this month 😁

09/20/2026

Over the past 4 weeks, the SCSO Explorers have sworn in 4 new members! Please congratulate the following new members on graduating the new member program:

Y/D Hannah Erickson
Y/D Tyler Brizek
Y/D Hannah Billingsley
Y/D Logan Clark

07/23/2026

The SCSO Explorers recently welcomed two very well-deserved promotions on July 9th.

Training Sergeant Devin Ejarque-Hinton was promoted to Operations Lieutenant. He will continue to oversee our New Member Training Program as well as our Operations Department.

Squad Corporal Eric Sedeniussen was promoted to Squad Sergeant. He is currently assigned to Alpha Squad.

These promotions were earned through hard work, dedication, and commitment. Congratulations to both!

07/16/2026

On July 2nd, the SCSO Explorers celebrated 3 big retirements! Explorer Major Kristina Andreyenko retired from the program after nearly 4 years of service. Major Andreyenko’s tenure was one paved with continuous work and dedication to better herself as both an explorer and as a person. We look forward to seeing her continue to grow throughout life.

Keith Betham “Mr. B” and Stephanie Berrios “Mrs. Steph” retired from their agency positions as well. We are so very grateful for their dedication and sacrifice to generations of youth. Their reach and influence has played an instrumental role in the lives of many.

Something we say and mean is that once you join the Explorer family, you are always part of the Explorer family. This is something you can see reflected in the last picture. This is only a handful of Explorers that will forever be part of our family.

06/28/2026

This past week, 9 of the SCSO Explorers competed at the Florida Association of Police Explorers State Competition. Explorers competed in Scenario competition, Color Guard, Drill Team, and the Pistol Competition. It was a great experience for growing their knowledge, gaining experience, and building camaraderie within their team.

The SCSO Explorers brought home the following awards:

2nd Place Drill Team: Commander James Erickson, Explorer Buster, Explorer Andreyenko, Explorer Ejarque-Hinton, Explorer Murphy.

2nd Place Tyro: Youth Deputy Jammar Osgood

2nd Place Steel Shoot: Captain Brian Buster

4th Place Search & Arrest: Major Kristina Andreyenko, Captain Brian Buster, Sergeant Devin Ejarque-Hinton, Youth Deputy James Erickson.

Advisor Isabelle Rivera was awarded the FAPE Advisor of the Year.

The following Adult Board positions were sworn in:

Keith Betham - At-Large
Stephanie Berrios - Secretary
Adam Brewster - Range Master
Isabelle Rivera - Range Master Assistant

More photos to come!

06/24/2026

On Friday, June 12th, four of the SCSO Explorers graduated from the Central Florida Law Enforcement Explorer Academy. We are so very proud of these 4 young men.

Youth Deputy James Erickson and Youth Deputy Travis Noe graduated Phase 3 of the Academy, while Youth Deputy Jammar Osgood and Youth Deputy Jayce Biscardi graduated Phase 1.

The following awards were received:

Phase 3 - Best Tactical - 1st Place - James Erickson
Phase 1 - Top Shooter - 1st Place - Jammar Osgood

05/23/2026

2026 Seminole County Sheriff’s Office Memorial

Address

1151 E 28th Street
Sanford, FL
32773

Telephone

+14077087648

Website

http://www.seminolecountypal.org/

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