it's been almost two years since anyone saw jamie robertson and investigators say they have every reason to believe he is dead. he spent time behind bars and the norfolk d.a. says he was lured away. >> he was taken under false pretenses by people purporting officials. >> reporter: since that time a former police officer and accessory to murder. which is why on the first day 120 years authorities are asking for help. >> it is more likely an area where you might find a body. >> reporter: authorities believe his remains might still be nearby. >> this time of year we just want to bring mr. robertson home for the family. >> reporter: and two years later only three of the four suspects still remain in police custody. live in milton julie long check. >>> the center of a manhunt still being held tonight. >>> an open domestic violence case led investigators to the man in the first place. tim smith is in lester. >> >> reporter: that's how a friend describes largesse. but now he is in court facing weapons charges. police say they found an arsenal of weapons. police say largesse had two handguns on

jamie robertson is it presumed dead. he disappeared nearly two years ago after police say men posing as constables kidnapped him. investigators hope his body will finally be return to his family. christine mc mccarthy is in milton. this may provide new hope for a family that's looking for closure. >> the reporter: well, the park ranger tells me that just a couple of hours ago, a man arrived here, identifying himself as robertson's father and said he was hoping that the word was getting out about the possibility of his son's body being here at the blue hills reservation. >> the reporter: we still have an unresolved, we believe, to be homicide case. >> the reporter: staff at the blue hills reservation will hand out flyers like this on tuesday, asking deer hunters to help in the search for a man missing for nearly two years and presumed dead. >> we know it's a needle in a haystack, but stranger things have happened. >> james jamie robertson was 37 when police say he was lured from his avon home on new year's day last year b