now polk county sheriff grady jud is asking for the public's help in identifying this white van. >> we have a graph, a video clip of that van leaving the area of magnolia street. and we believe at this point in time, that is our suspect vehicle. >> reporter: while the van has distinctive markings, investigators cannot make out the wording on it, which is making it more difficult to solve this crime. >> the language is somewhat blurred. you can see that there's clear indications and marks. someone can look and say oh, i xyz business. >> reporter: the lone survivor of the shootings is helping investigators. he told him three men had caribbean accents and may have been from miami. the sheriff believes the murders may have been drug related but that's no reason for the victims to have lost their lives. >> those two young ladies and that young man didn't deserve to die. whether or not they were engaged in illegal conduct. they should not have perished. >> reporter: the sheriff also admitted they know more information than they're sharing right now. >> if the suspects or their family or frie

first, i'm getting word that we're going to go live to polk county, now where sheriff grady jud is about to address the media on a triple murder from last week in lakeland. let's listen in. >>> -- executed. they were shot in the head at close range. the fourth person was shot in the head, more specifically, the face and left for dead. only he didn't die. it was, i believe at that time and our preliminary information substantiates they were here to collect a drug debt, that this was an organized hit, that they didn't intend to leave anyone in the house alive. here's what we know. at about 6:44 a.m. on the 6th, these suspects, two of which we're about to talk of, two of at least four were at the residence or orchestrated the event. they went in, there was conversation, went from conversation to one of our victims saying "but i paid uncle, i paid him" to he heard a beating, a fight, then gunshots. now, you would think at the end of the gunshots that the people would run out and take off. not these folks. they were obviously experienced. they spent another 10 or 15 minutes in the house rumma