A middle aged lady was found in a robbed room lying in a pool of blood on forensic examination there was an entry wound of size around 2 x 2 cm on the left temporal region with tattooing and blackening around the wound. There was also an exit wound with beveling at the right temporal region. On fuher examination two bullet fragments were found inside the brain parenchyma. Which of the following could be used to determine the distance from which the weapon was fired?

Explanation

To calculate the distance from which weapon was fired we have to find range.To calculate blood and bullet fragments are not suitable since they are very small and blood being a liquid is not suitable.Out of hair and clothes since hair is more on head so it is most suitable to calculate range.