Following the crime scene processing at Helene Valentine''s home, you have been asked to develop a training presentation for first responders. In 6 to 8 PowerPoint slides, explain the proper procedure for securing a crime scene and what to do in the event that evidence may have been altered, planted, destroyed, or contaminated. Be sure to reference all sources using APA style.Helen Valentine was found deceased in the master bedroom of her upstairs, two-bedroom apartment at 11:58 AM on Tuesday morning. Upon arrival, the investigators noticed an empty bottle of vodka on the floor of her bedroom and two shot glasses there were half-full with vodka, on the kitchen table. The television was on and the refrigerator was slightly ajar. Some half-eating cheese and crackers were located on the countertops in the kitchen and the smell of bleach was very apparent in the kitchen. Valentine was found in a prone position, completely nude, with her head towards the foot post of her bed, facing the wall. Valentines entire apartment was a mess, but there does not seem to be any real signs of struggle. Investigators noticed a few cuts and bruises on Valentine’s wrist. After closer examination, investigators notice a small gunshot wound on her left temple. The weapon was found in very close proximity to Valentines right side, next to her right shoulder. The three windows to Valentine Department were open and the front door was unlocked. Neighbors provided statements suggesting that Valentine was a nudist and liked to flash people who pass by her windows. Investigators also found an apparent suicide note on the computer screen ever second bedroom’s computer ( the computer was still on, but wasn’t hibernating mode). In the investigator’s initial inspection, blood could be seen in the second bedroom and on the windowsill of one Valentines apartment windows. Cite at least to cites in APA Format