Potential energy is the energy an object has because of its
a. density.
b. size.
c. location.
d. speed. e. temperature.

the cellphone, they would then know if the killer would have contacted them or always hated them. or if it was a breakup. but if that is not the case, then it would be the clothing. to put in a bullet, it would have to be put in by hands. hands have finger prints which, would have giving you the answer of who done it.

explanation:

i think the answer is a, hope this : )