Miami police say they don't see any links between Luka Rocco Magnotta and a three-year-old cold case in the Florida city.
Homicide detective Confesor Gonzalez says he contacted Canadian authorities about Mr. Magnotta after hearing from a reporter that the murder suspect may have spent time in Miami in recent years.
Mr. Magnotta is the prime suspect in last month's death and dismemberment in Montreal of Chinese university student Lin Jun.
While there is no evidence to connect Mr. Magnotta to any such killing elsewhere, the uniqueness of his alleged crime and his extensive international travels have caught the attention of investigators in several jurisdictions.
Det. Gonzalez says he spoke to Canadian police about potential ties between Mr. Magnotta and the 2009 death and dismemberment of Guatemalan national Omar Laparra.
He declined to say anything else about the discussion.
The 29-year-old Mr. Magnotta was arrested recently in Berlin, where he's awaiting extradition to Canada.
Police forces in Los Angeles and Gatineau, Que., have also indicated that they're inspecting Mr. Magnotta's recent activity because both jurisdictions have unsolved homicide cases involving corpse mutilation.