The last came from trying to slice through a bike lock with a hacksaw.

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Charlene Stewart, 55, of Texarkana, passed up to four hacksaw blades to her son, authorities said.

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Earlier this week, authorities arrested Stewart's mother on accusations of helping the two murder suspects escape jail by sneaking in hacksaw blades.

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Authorities' search of the jail cell showed that the two suspects apparently used a hacksaw to cut through metal bars covering a 1-by-3.5-foot window and then broke the glass to gain access to an outside courtyard, authorities said.

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What happened to Stephen Roberts' hacksaw?

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