A Medford man initially charged with arson, intimidation and conspiracy in a December house fire pleaded guilty Monday in Jackson County Circuit Court to two counts of attempted second-degree assault.

A Medford man initially charged with arson, intimidation and conspiracy in a December house fire pleaded guilty Monday in Jackson County Circuit Court to two counts of attempted second-degree assault.

Shane Lee Lewis, 35, admitted to threatening Jeronimo Diaz-Coria, 27, and Filemon Melchor-Valdez, 25, on Dec. 20, with a baseball bat. December's charges against Lewis were dropped as part of a plea agreement filed before Jackson County Circuit Court Judge Ray White.

An alleged sexual assault set off the chain of events that ended with Lewis and Van Dale Calvin, 47, each being arrested on Dec. 20 and charged with three counts of first-degree arson and one count of conspiracy. Lewis was arraigned in Jackson County Circuit Court on Dec. 29, 2009. One of the intimidation counts against Lewis was based on allegations he urinated on Diaz-Coria's leather jacket.

Lewis has been held in Jackson County jail on $250,000 bail since the Dec. 20 attempt to torch the West Jackson Street trailer home of Diaz-Coria and Filemon Melchor-Valdez.

Calvin's wife, Teresa Jean Calvin, 44, also was arrested on Dec. 20 and charged with three counts of first-degree arson and one count of conspiracy, court records show.

Lewis and the Calvins told police at the time that the incident began after Melchor-Valdez and Diaz-Coria approached an unnamed woman and offered to pay her for sex. The woman declined, but the two men then allegedly sexually assaulted her, police reported.

Melchor-Valdez was arrested and charged with a single count each of first- and third-degree sexual abuse and burglary. Diaz-Coria was arraigned on a single count each of first- and third-degree sexual abuse, and a single count each of prostitution and burglary. Both were jailed but all charges against the pair have since been dismissed, court records show.

Van Dale Calvin has pleaded not guilty to all counts. He is being held in Jackson County jail on $250,000 bail, court records show. Teresa Jean Calvin also has pleaded not guilty. She was arraigned in January and released on her own recognizance, said Jackson County Deputy District Attorney Michelle Pauly.

Pauly said all charges remain pending against the Calvins.

"Nothing has changed in their cases," she said.

Judge White on Monday ordered that Lewis be released from jail on his own recognizance pending the June 30 sentencing for the two second-degree attempted assault charges.

Reach reporter Sanne Specht at 541-776-4497 or e-mail sspecht@mailtribune.com.