Position:
Detective Corporal at Castroville Police Dept
Location:
San Antonio, Texas, United States
Found email addresses for John Sapper:
Found phones for John Sapper:
Oct 2025 - Current
Oct 2021 - Current
Sep 2024 - Oct 2025
Nov 2021 - Sep 2024
Sep 2009 - Oct 2021
Their professional focus is Command, Criminal Intelligence, and Criminal Investigations across 3 core areas.
John holds NIT, Academy Instructor Certification, and Background Investigator certifications.
Doctor of Philosophy - PhD at Liberty University
Executive MBA at Concordia University-Portland
Bachelor of Arts - BA at Portland State
Associate of Arts - AA at Defense Language Institute Foreign Language Center
What is John Sapper's email address?
SignalHire found verified email addresses for John Sapper, both business and personal. Their business email is g*******************r@gmail.com, and personal emails include s***@yahoo.com, j***@hotmail.com, and j***@joinportlandpolice.com.What is John Sapper's phone number?
SignalHire found multiple verified phone numbers for John Sapper: +1-323-***-**69, and +1-870-***-**05.How do I contact John Sapper at Castroville Police Dept?
You can reach John Sapper through SignalHire by unlocking their verified email and direct phone number (free signup, no credit card needed). SignalHire is the fastest route if you need their contact details immediately.What is John Sapper's professional background?
John Sapper has 17 years of professional experience. They have held roles including Founder, Police Officer/Grant Director, and Senior Special Agent at companies such as 10-45, LLC, Castroville Police Dept, and Union Pacific Railroad. Their education includes Doctor of Philosophy - PhD from Liberty University, and Executive MBA from Concordia University-Portland.Is John Sapper's contact information up to date?
Yes. John Sapper's SignalHire profile was last updated on 25 May 2026, reflecting their current position as Detective Corporal at Castroville Police Dept in Castroville, Texas, United States.SignalHire complies with the General Data Protection Regulation (GDPR). SignalHire follows GDPR requirements, including but not limited to rights of data subjects to access, correct, or delete their personal information and supports the right to be forgotten.
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