DENVER (CBS4) – A Federal Judge set a trial date for May 4-15 for Harold Henthorn, the 58-year-old Highlands Ranch man charged with murdering his wife in Rocky Mountain National Park in 2012.

In a 9-minute hearing Wednesday morning, Judge R. Brooke Jackson also ruled that 21 search warrants and affidavits executed as part of the Henthorn case should be unsealed.

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“This is a somewhat unusual case,” said Jackson.

Defense attorney Craig Truman said that he had received 20,000 pages of discovery material so far from the government but said he expected to receive another 40,000 pages.

Henthorn’s attorney said he had two and a half people working full time to review the materials received so far. Truman said he had “cancelled my Thanksgiving” to deal with the volume of materials he was receiving from the government’s investigation.

Truman said the Henthorn case might be “unusual and complex. The government has been investigating this for 26 months.”

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Toni Henthorn (credit CBS)

Toni Henthorn (credit CBS)

A federal grand jury indicted Henthorn earlier this month for first-degree murder. Federal prosecutors believe he pushed his wife, Toni Henthorn, to her death during an anniversary hike in Rocky Mountain National Park in September 2012. Henthorn has pleaded not guilty and is being held without bond.

Sandra Lynn Henthorn (credit: CBS)

Sandra Lynn Henthorn (credit: CBS)

Federal prosecutors also indicated they believe Henthorn murdered his first wife, Sandra Lynn Henthorn, who was crushed under their car during a tire change in 1995. Douglas County investigators ruled that an accident after less than a week, but reopened their investigation in October 2012 after CBS4 began asking questions about the case.

In court Wednesday, Henthorn was wearing a tan jail jumpsuit and spoke extensively with his legal team.

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