剧情简介：欧美剧《作案动机 第四季》讲述了Thevictim:PoliceConstableGregSchultz.Thekiller:stand-upcomicandGreg’solderbrotherMurraySchultz.Greg’sdeathisthefirstcaseforOscarfollowinghisrecoveryandpromotiontostaffsergeant,BrianinhisnewpositionasAngie’spartner,andthenewhomicidedetectiveMitchKennecki,anoverlycockyknow-it-allbecauseheisalegacy.Greg’sdeathisinitiallydeemedasuicidebasedoneyewitnessstatements,whichincludeaselfievideowithGregincompleteuniforminthebackgroundjustbeforehesteppedbythewaterandshothimselfinthehead.However,nooneisabletoidentifyGregconclusivelyastheofficerinquestion.Alsodespitetheeyewitnesses,Greg’sbodyandfirearm,whichwasoriginallyhisfather’s,arenotrecoveredfromthewaterforseveralhours.ButOscarwantstobeoverlycautiousbeforeofficiallyannouncingthatitisasuicide,anddespitethepressureplacedonhimbynewPoliceChiefWells.OscarhasgoodreasontobecautiousasAngie...