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Lockpicking Forensics datagram datagram.layerone@gmail.com Black Hat USA Briefings, 2009 Agenda How locks/picks work Normal wear Lock Analysis Key Analysis Investigative process Destructive entry still #1! How Locks Work

Lockpicking Forensics datagram datagram.layerone@gmail.com Black Hat USA Briefings, 2009
Agenda  How locks/picks work  Normal wear  Lock Analysis  Key Analysis  Investigative process
Destructive entry still #1!
How Locks Work
How Locks Work
How Locks Work
How Locks Work
Pin Binding
Pin Binding
Picking a Lock  Apply tension  Find binding pin  Raise to shear line  Repeat
Picking a Lock
Forensic Locksmithing  1976 - Art Paholke, Chicago PD  Locks, Safes, Security (Tobias)  Werkzeugspur (Goth)  Impressioning (Diederichsen)  Determine method of entry  Identify evidence, tool marks, techniques  Provide expert testimony
Pins – New
Pins – New
Key - New
Plug - New
Pins – 100 uses
Pins – 100 uses
Plug – 100 uses
Key – 100 Uses
Pins – 1,500 uses (pin 1)
Pins – 1,500 uses (pin 5)
Key – 1,500 uses
Plug – 1,500 uses
Pins - 5,000 uses (pin 1)
Pins - 5,000 uses (pin 5)
Plug – 5,000 uses
Plug – 5,000 uses
Plug – 5,000 uses
Key - 5,000 uses
Forensic Analysis  Components (pins, springs, etc)  Plug  Cylinder  Cam/Actuator  Keys  Bolt  Door, window, wall, etc
Lockpicking
Lockpicking - Pins
Lockpicking - Pins
Lockpicking - Pins
Lockpicking - Pins
Lockpicking - Pins
Lockpicking - Pins
Lockpicking - Pins
Lockpicking - Pins
Lockpicking - Pins
Lockpicking - Pins
Lockpicking - Pins
Lockpicking - Plug
Lockpicking - Plug
Lockpicking - Plug
Lockpicking - Plug
Lockpicking - Plug
Lockpicking - Plug
Lockpicking - Tension
Lockpicking - Tension
Lockpicking - Tension
Lockpicking - Cam
Lockpicking - Cam
Lockpicking - Medecoder
Pick Guns
Pick Guns - Pins
Pick Guns - Pins
Pick Guns - Cam
Pick Guns - Cam
Key Bumping
Key Bumping
Key Bumping - Pins
Key Bumping - Pins
Key Bumping - Pins
Key Bumping - Pins
Key Bumping - Pins
Key Bumping - Pins
Key Bumping - Plug
Key Bumping - Face
Key Bumping - Face
Key Bumping - Plug
Impressioning
Impressioning - Manipulation
Impressioning - Manipulation
Impressioning - Plug
Impressioning – UV residue
Impressioning – UV Residue
Decoding  Depends on technique  Covert vs. surreptitious  Decoder “pick”  Manipulation  Visual/Optical  Thermal  Radiological  Disassembly
Decoding - Visual
Decoding - Visual
Bypass
Bypass
Bypass
Key Analysis  Material, keyway, cuts, codes  Original or duplicate  Hand cut or machined  Recent cutting, copying  Material transfer
Keys - Plating
Keys – Original vs Copied
Keys – Original vs Copied
Keys – Stylus striae
Keys – Hand made
Keys – Filed
Keys – Filed
Keys - Dremel
Keys – Cutting Wheels
Keys - Comparison
Key - Bumping
Keys – Bumping
Keys – Tool Marks
Keys – Tool Marks
Keys – Tool Marks

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