Transcript for Deadly explosion apparently caused by a package could be linked to earlier incident, officials say
What we can tell you right now. Is the United States Postal Service has reviewed their records and that we do not believe that this was at all a delivery that came through the Postal Service. And we're checking our other package deliveries through this is as well but the initial indication from them is that this was not a package that was delivered by any mail service. So that was placed on its. The incident is very similar. Incidents that occurred in Allston. Back on March 2 and you'll remember that it's and also occurred in the morning hours wins. The victim and that case went out front. And found a package on air for instance that exploded. Causing that in individuals. That in that case was being investigated as a suspicious death. It is now being reclassified. And is now a homicide investigation as well we do you see similarities and believe that these cases partly this time. However we don't know what the motive behind these may be. We do know that both of these homes. That were the recipients of these packages. Along to African Americans so we cannot rule out. That hate crime is at the core of this but we're not saying that that's the cause as well we're just acknowledging and we're looking at any possible motivations. That would link these two cases together so that we can put this case together understanding of entomology. And who might these individuals. So that's the stage of the investigation where we're at now.
This transcript has been automatically generated and may not be 100% accurate.