First it is necessary to define which area of forensic science you would like to act, because depending on the area of operation, it is possible to set up a profile or set of necessary features in your work area. Collaboration areas within forensic science are:
Criminalistics; Digital & Multimedia; Sciences Engineering Sciences General ; Jurisprudence ; Odontology Pathology / Biology Physical Anthropology Psychiatry & Behavioral Science Questioned Documents ; Toxicology
In general, a forensic scientist must have the following characteristics:
good communication skills able to Remain in the unbiased examination of potential court evidence meticulous and capable of clear, logical and lateral thinking able to work the part of a team initiative and motivation able to persevere good observation skills.
Below are links to two sites that you can take a look and understand better about the subject:
Success in your choice!