Based on the trajectory of the police investigation , news reports in the following days speculated that the apparent poisoning of Michael Farrar may have been linked to the case .
Officials declined to name the person suspected in either the arson or the poisoning .
Based on the trajectory of the police investigation , news reports in the following days speculated that the apparent poisoning of Michael Farrar may have been linked to the case , but officials declined to name the person suspected in either the arson or the poisoning .