To the latest on t investigation into the letters tainted with the poison ricin. Mailed to president obama and other high-level officials. A suspect is now the custody. Big questions about whether a... See More
To the latest on t investigation into the letters tainted with the poison ricin. Mailed to president obama and other high-level officials. A suspect is now the custody. Big questions about whether a feud has fueled the entire case. Abc's matt gutman is in miami, florida, with the latest. Reporter: If just calm of hours, we might learn whether or not that big ricin scare was started by snaltown mystery. This plot pits a bi-polar elvis impersonator against another man. Later this morning, james everett dutschke is supposed to appear before a judge. The president, a u.S., Senator, and a local judge got envelopes with ricin. I wouldn't reck nice ricin if saw it. Reporter: On wednesday, the 41-year-old former tae kwan do instructor denied the charges. Kevin curtis was charged but the charges were dropped. Overwhelming, to say the least. Dutschke and curtis worked together in the past. The attorney believes dutschke used her client as a patsy. Signing them with curtis' initials. It took a lot of planning. Very die boll kag. Reporter: Dutschke, meantime, is facing charges of child molestation. He pleaded not guilty to those yeller this month. At the hearing this morning, we might learn the mystery motive behind this act. Dutschke's attorney is not comme commenting. Her client could face life in prison.
This transcript has been automatically generated and may not be 100% accurate.