OBJECTIVE: You will be able to… LIP PRINTS OBJECTIVE: You will be able to… -Identify different types of lip print patterns -Make clear, identifiable lip prints -(if there is time you will use lip prints to identify an unknown sample)

Lip Prints as Identification Like fingerprints, lip prints are unique, individual characteristics Recently proven Allowed as evidence in criminalistics May be found on surfaces (glass, coffee cup, cigarette butts)

Background Identifiable as early as 6 weeks intrauterine Patterns rarely change over a lifetime Resist changes from many afflictions, such as infections Does NOT change significantly post death- cadaveric lip prints are considered satisfactory for identification purposes

Lip Print Analysis Lip can be conveniently divided into zones

Renaud Lip Print Classification Complete vertical Incomplete vertical Complete bifurcated Incomplete bifurcated Complete branched Incomplete branched Reticular pattern X or coma form Horizontal J. Horizontal with other forms bifurcate, branch

Your Task: **CAUTION: REAPPLY LIPSTICK between each print. CLEAN lipstick before sharing— you may use your own if you have any.** On a clean sheet of white paper, make a single, clean lip print. DO NOT WRITE YOUR NAME ON THIS SHEET. HAND IN On the plain side of a clean piece of paper, be sure to write your name on paper. Make a lip print on the paper. Separate the lip print into appropriate sections Identify the ridge patterns found in each section—Label at least 3 per section. (NOTE: You may find the same pattern in different sections, but NOT in the same section.) Hand in