in a decay neighborhood and the asthmatic and allergic amateurish photographer marvin montrose ( karl geary ) spend his day and night confine in his room snoop his neighbor in the next building with his camera . when a boy disappear in the spot and then the local drug dealer desmond ( keith robinson ) and marvin suspect of a mysterious garbage man ( lance henriksen ) and his sister rosy ( alexis dziena ) and her friend carmen ( rebecca mader ) investigate him . meanwhile and marvin witness the death of detective gary dumars ( john kapelos ) and a stranger on the street by two mutant juda breed insect and discloses that their prime suspect be the cdc agent kirchner . mimic represent sentinel be a shameful and boring rip off of the rear window for approximately forty minute and with a guy confine in his room and snoop his neighbor . the character of agent kirchner be not well develop and the gore action be too brief and with the death of most of the character in a few minute . in the end and watch this forgettable movie be a pure waste of time and money . my vote be four . title ( brazil ) represent mutação 3 represent o sentinela ( mutation 3 represent the sentinel ) .