1) Call a crime-scene investigator to the scene
2) identify person who contacted investigator, time of contact, any preliminary info disclosed (case number)
3) When the lead investigator arrives, the note taker should record date and time of arrival, who's present, and identities of other personnel who are contacted.
-if additional personnel are contacted, names, titles, and time of arrival should be recorded.
-investigators must keep a precise record of personnel movements in and out of the scene, beginning with an interview of the first responding officer in order to record his/her movements..
-also important to record tasks assigned to each member of a team, as well as the beginning and ending times for processing of scene.
From the International Association for Identification Safety Committee
1) At scenes like a homicide, personnel wear doubled latex gloves and protective (Tyvek-type) shoecovers; liquid repellent coveralls in large contamination areas.
2) particle mask/respirator, goggles, or face shield in presence of possibly infectious dust/mist;
3) Processing/collecting evidence, be alert to sharp objects; place in appropriate containers.
4) potentially infectious materials at crime scene, retain a red biohazard plastic bag for disposal of contaminated gloves, clothing, masks, pencils, etc. Afterwards, must be taped shut and sent to approved waste pickup site.
23rd EditionDavid Twomey, Marianne Jennings, Stephanie Greene
10th EditionElliot Aronson, Robin M. Akert, Samuel R. Sommers, Timothy D. Wilson
6th EditionSpencer A. Rathus
15th EditionSusan A. MacManus, Thomas R. Dye