AUSTIN, Texas — Law enforcement officials on Monday updated the investigation into the bombings that claimed two lives and terrified Austin for weeks.

United States Attorney John F. Bash, during a press briefing that started at 5 p.m., said that in light of the fact that bombing suspect Mark Conditt died by exploding one of his own bombs, a judge has dismissed a complaint against him.

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A newly released, redacted affidavit states that Conditt was initially being sought for transportation of a destructive device. Bash clarified that had he been taken alive, Conditt would have faced more serious charges.

Bash said that the investigation is ongoing and that authorities are pouring over computer records in order to glean information about Conditt’s motivation for the attacks. He said there are no other suspects currently and no indication of further threat. Still, Bash urged vigilance when it comes to suspicious packages.

ATF Special Agent Fred Milanowski said it could take weeks or months for the investigation to be completed.

When questioned about the 30-minute confessional audio recording Conditt made prior to his death, FBI Special Agent Christopher Combs said there are concerns about releasing it because it contains several statements that could inspire others. He further said a decision about releasing the tape won’t be made until the investigation is complete.

Milanowski said the devices Conditt used weren’t overly sophisticated but he possessed a certain level of expertise that prevented them from detonating prematurely. The tripwire he used, which injured two men, was more sophisticated, Milanowski said.

Bash said there is no known connection between the victims at this stage of the investigation.

Bash stated a Federal Express employee spotted Conditt’s red truck, which put it on law enforcement’s radar. They also investigated stores that sell the components Conditt used in his explosive devices.