Below are links to some of the best physical security red team resources
Best place to buy high-quality red team tools
Decision-support focused red teaming PDF put out by the (former) United States Foreign Military and Cultural Studies (UFMCS) Group. No one is better at critical thinking focused red teaming than this group, and this is their latest (and last) publication.
Technology for physical and cyber security red teamers.
Largest (and best!) lock picking group. Join their community!
Probinsky's Covert Entry Toolkit
Lists and descriptions of covert entry toolkits
Lock picks and tools of the trade
Red Team & Covert Entry Training and Certifications