<----------------------------> ~~~~ Introduction ~~~~ John “J.” Keith Mularski is a veteran cybercrime investigator and former Supervisory Special Agent with the Federal Bureau of Investigation (FBI), where he played a leading role in some of the Bureau’s most groundbreaking cyber operations. Best known for his undercover work infiltrating the notorious DarkMarket forum under the alias “Master Splyntr,” Mularski helped dismantle one of the world’s largest online criminal marketplaces, leading to dozens of international arrests and setting new standards for cyber law enforcement.Over his distinguished career, Mularski led the FBI’s Cyber Squad in the Pittsburgh Field Office, overseeing investigations into major global cyber threats, data breaches, and digital espionage. His innovative approach to online undercover work has been widely recognized as a turning point in the Bureau’s cyber strategy, earning him a reputation as one of the early architects of modern cybercrime enforcement.Today, Mularski is regarded as a leading expert in cybersecurity, digital forensics, and cyber threat intelligence — combining real-world operational experience with a deep understanding of the evolving digital threat landscape. <----------------------------> ~~~~ Personal Information ~~~~ - Full Name: John Keith Mularski ~ Aliases: Jack Mularski, Keith Mularski, John Mularski - Age: 78 - DOB: November 1946 - Occupation: Former - Phone Number: +1 (704) 321-5424 —> Matthews, NC —> Windstream - Current Address: 2500 Fitzpatrick Ln, Matthews, NC 28105 > Socials: - Pandora: Jackm6792 - Amazon: Jack mularski - FaceBook: Jack Mularski - Pinterest: Jackm6792 > Phone Numbers: - (704) 488-6410 — Charlotte, NC — AT&T - (704) 779-8817 — Charlotte, NC — AT&T - (704) 737-3635 — Charlotte, NC — AT&T - (704) 634-0220 — Charlotte, NC — T-Mobile - (540) 374-1098 — Fredericksburg, VA — Verizon - (314) 947-3266 — Saint Louis, MO — Onvoy - (301) 317-9322 — Laurel, MD — Verizon - (704) 540-5964 — Charlotte, NC — AT&T - (412) 765-2694 — Pittsburgh, PA — Verizon - (704) 532-1135 — Charlotte, NC — AT&T - (412) 751-9042 — McKeesport, PA — Verizon > Email Addresses: - djmularski@gmail.com - jack.0009@gmail.com - stevenscoter1@gmail.com - jackm6792@gmail.com - jack46@triad.rr.com - jackm46@geocities.com - jackm46@aol.com - jack46@windstream.com - jack46@winddstream.net - jack46@windstream.net - jack46@alltel.net > Previous Addresses: - 1300 Virginia Ave, Apt 217, McKeesport, PA 15135 — 1999 - 1999 - 279 William St, Geneva, NY 14456 — 1999 - 1999 - 12632 Sabal Park Dr, Apt 205, Pineville, NC 28134 — 1999 - 1999 - 23 Plumosa Dr, Fredericksburg, VA 22405 — 1999 - 1999 - 409 Lakeview Ct, Stafford, VA 22554 — 1998 - 1998 - 2130 Lewis St, White Oak, PA 15131 — 1994 - 1994 - 1310 Lakeshore Dr, Saint Charles, MO 63303 — 1989 - 1989 - 721 Manning Ave, McKeesport, PA 15132 - 224 Riverview Dr, White Oak, PA 15131 - 8769 Contee Rd, Apt 202, Laurel, MD 20708 - 8206 Gorman Ave, Apt 153, Laurel, MD 20707 - 4309 Harvard Dr SE, Warren, OH 44484 - 8135 Woodscape Dr, Apt G, Charlotte, NC 28212