Fingerprints

What are the 3 fingerprints?

Arch, Loop and Whorl

How much of the population has Arches?

5%

How much of the population has Whorls?

30%

How much of the population has Loops?

65%

Which one is a Whorl?

Which one is a Arch?

Which one is a Loop?

How many deltas do arches have?

None

How many deltas do Loops have?

One

How many deltas do Whorls have?

Two

Which Arch has a spike or tent?

Tented Arches

What is a Loop called that goes to the right?

Ulnar Loop

What is a Loop called that goes to the left?

Radial Loop

How to identify a Plain Whorl?

Draw a line between the two deltas, if some of the curved ridges touch the line, it is a plain whorl

How to identify a Central Pocket Whorl?

Draw a line between the two deltas, if none of the center core touches the line, it is a central pocket whorl

How to identify a Double Loop Whorl?

Double loop whorls are made up of any two loops combined into one print. 

How to identify an Accidental Whorl?

Accidental whorls contain two or more patterns (not including the plain arch), or does not clearly fall under any of the other categories.

What are “Visible Prints” Called?

Patent Fingerprints

What are Visible Prints?

some other liquid comes in contact with the hands and is then transferred to that surface

What example is Visible Prints?

Locard’s Principle

What are the evidence categories for fingerprints?

Indirect, Physical, Individual(?) and Trace Evidence