Forensicmedicine,asabranchofmedicine,isamultidisciplinarysubjectandcoversawidespectrumofprofessionalinterestsanddealswithaspectsofmedicinewhichinteractwiththelaw.Forensicmedicineservesnotonlythecriminaljusticesystem,butalsothepublichealthandpublicsafety.Themedicolegalorforensicinvestigationsprovidescientificandphysicalevidencetoconvicttheguiltyandprotecttheinnocent.Forensicinvestigationsalsoaidcivillitigation,suchasinmedicalmalpractice,personalinjury,andlifeinsuranceclaims.Theservicesofforensicmedicinearecriticalformanyaspectsofpublichealthpracticeandmedicalresearch,includingdiseasesurveillanceandinjuryprevention,aswellasevaluationofthequalityofhealth.Forensicdeathinvestigationsareemergingtobeimportantinrespondingtobio-terrorism.Forensicautopsyprovidesaninvaluablesourceofhumantissuesformedicalresearch.