Winnetka adds private security amid police officer shortages
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Month: April 2025
Former Secret Service Veteran Joins P4 Companies to Lead Executive Protection
Over his 25 years serving the U.S. Government, Derek Mayer provided for the safety and security of our nation’s highest leaders and other dignitaries. Downers Grove, Illinois – P4 Companies (P4) proudly announces the addition of Derek Mayer, a 25-year