EAVESDROPPING ON TSCM EXPERT CHRIS BROWNING | EPISODE 54 This week we are eavesdropping on TSCM expert Chris Browning. Mr. Browning is a highly skilled and experienced 8-year veteran instructor with the prestigious Research Electronics International (REI).  REI provides professional grade TSCM (Technical Surveillance Countermeasures) equipment and comprehensive training.  Mr. Browning may be contacted by […]