all three know each other and live on the same block .
the most recent device was found .
a task force of about 10 investigators has been put together to arrest the person who left three bombs in residential areas around the borough beginning on sept. 2 , police sources said .
the madman bomber responsible for leaving three inert devices on staten island was taken into custody wednesday — and police believe he may have been fueled by jealousy , authorities said .
police sources say that investigators do n't believe terrorism to be a motive in the creation madman staten island bomber arrested after leaving three devices around borough : authorities the 54 - year - old suspect was fueled by jealousy - his target was a man who lived on his block and recently married a woman the suspect liked , authorities said .
though no charges have been filed yet , investigators believe that " hoax devices " were left in port richmond , randall manor and grymes hill as part of a grudge between the two men , sources said .
oates , michael michael oates the suspect ’s spree had triggered an all - out manhunt by the nypd , sources said wednesday .
the devices spurred the nypd to form a task force over the weekend .
police found two similar devices earlier this month -- one on sept. 12 , in a backpack by a black toyota on brentwood avenue in randall manor , the other on sept. 2 , in a suitcase on an uninhabited stretch of barrett avenue just behind the forest avenue shoppers town strip mall in port richmond .