DO NOW: discuss with partners for 2 minutes.

A kidnapper sent a ransom note. He prepared it carefully and ensured that it contained no fingerprints. Yet it was used to prove his guilt. How?

AN ANSWER

The police were able to get DNA from the saliva on the back of the stamp. The DNA in the saliva matched the suspect's DNA.

signal

• After you hear the bell, you have 5 seconds to…… achieve silence… look me in the eyes… remain silent until I give instructions

REACT !!!!!

R.E.A.C.T.R espect everyoneE nter and exit appropriatelyA ccept responsibilityC ooperate with everyoneT ake action

Turn to your table and give everyone

there a sincere compliment.

I saw this when I

got home the other

day

FIELD TRIP:

Permission formsBring $5!!!!! + lunchMeet HERE TOMORROW at 8:45 am

QUIZZES

I’VE GRADED THE FIRST PART; LOOK ON

GRADESPEED.

LEARNING OBJECTIVE

perform laboratory procedures for lifting latent prints on nonporous objects

using fingerprint powders such as black powder

There are 3 types of fingerprints

1. Visible – left by dirt, grease, blood, etc. Does not need processing, just lifting and

photographing

There are 3 types of fingerprints

2. Impression – indentation in soft material (butter, putty, tar, etc.)

Does not need processing, just photographing

There are 3 types of fingerprints

3. Latent – requires processing to make visible and suitable for analysis

LEFT PAGE ACTIVITYhttp://www.youtube.com/watch?v=IqWzxUuGmKE

FOR EACH SCENE:-Are the prints Visible, Impression, or Latent? -How accurate do you think this depiction is?

[Scale of 1 (not very accurate) – 10 (very accurate) ]

GIVE TWO RATINGS: One for the liftingOne for the matching

CHOOSE

Francis Galton Pope Francis

STAND UP AND READ

Pope Francis, stand up and share what you just wrote

NOW SWITCH

Francis Galton, stand up and share what you just wrote

Orange paperRead it (2 minutes)

WE WILL DRAW NAMES OUT OF THE HAT FOR 3-PERSON GROUPS.