Death by suicidal gunshot wound usually can be confirmed by
Finger print on the gun
Blood on the gun
Gun in hand
Gunshot residues in the hand
Presence of Gun shot residue suggests the possibility of use of a firearm. - Various tests for detecting GSR * Dermal Nitrate test or Paraffin test Harrison and Gilroy test Neutron activation analysis Atomic absorption spectroscopy (AAS) Flameless atomic absorption spectrophotometry (FAAS) * Scanning Electron Microscope- Energy Dispersive X-ray spectrometry (SEM-EDX) (Most specific)
Ballistics