Fingerprint Analysis, Forensic Genealogy, and Legal Standards

Posted by on Jan 12, 2025 in Criminological and Security Sciences | 0 comments

Fingerprint Patterns and Analysis

Level 1 Patterns

  • Arch
  • Tented Arch
  • Right Loop (delta on left)
  • Left Loop (delta on right)
  • Plain Whorl (two deltas, horizontal)
  • Central Pocket Loop (two deltas)
  • Double Loop (two deltas)
  • Accidental Whorl

Level 2: Minutiae

Ridges that make fingerprints unique:

  • Dot
  • Bifurcation
  • Lake
  • Ridge ending
  • Bridge
  • Hook

Level 3 Details

  • Wrinkle: Identify individual ridges; these are raised portions called friction ridges, and the spaces between the ridges are called furrows.
  • Scar: Result from injury
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