Report: Colo. gunman warned of attacks online

Denver FBI spokeswoman Rene Vonder Haar said the agency began an investigation immediately after receiving a phone call at 10:30 a.m. on Sunday. She refused to discuss the nature of the call but said the information was passed on to police in Arvada and Colorado Springs.

However, police there did not learn the Murray family home's address in Englewood until after the church shootings, and that a search did not begin until well after dark, said Colorado Springs police Sgt. Scott Schwall.

Arvada police spokeswoman Susan Medina confirmed that the FBI passed on information regarding the mission center shootings at about 10:30 a.m. She would not discuss the information in detail but said "we began work on that tip immediately."

Detectives did not go to Murray's home and speak to his family until 3 p.m., well after the second attack.

Threats emerged early on
In the weeks before the shooting, nghtmrchld26 posted a number of messages about his own pain, despair and fury toward Christianity.

One post, called "My YWAM Horror Story," complained about being removed from the Arvada youth mission program.

"Why was I told that I couldn't be a missionary because I wasn't ‘social enough'? I was told that I was `an introvert,'" nghtmrchld26 wrote. "Everyone else got to go on their outreaches except for a few who lied about smoking (cigarettes). The authoritarianism and hypocrisy is outrageous."

In an Oct. 6 post, nghtmrchld26 wrote about his anger at the church.

"We'll make our own religion and be our own God's instead listening to some abusive pedophile church like what I was raised in telling us who's `saved' and who's not," the person wrote.

"During this dark period I've realized this is not the way just to be a martyr. I can't walk alone any longer and I'll fight for the ones who can't fight. If I lose at then least I tried. If I have to give my life you can have it."

The user appeared to reject offers of psychological help.

"I've already been working with counselors," he wrote. He added: "It's so funny how many people want to help you and love you and counsel you and `work with you through your pain ' when there's money involved."

Police: Revenge was one motive
On Monday, officials said revenge was one apparent motive for the attacks.

In a statement, the training center said health problems kept Murray from finishing the program, but elaborated little. Murray did not complete the lecture phase or a field assignment as part of a 12-week program, Youth With a Mission said.

"The program directors felt that issues with his health made it inappropriate for him to" finish, it said.

The program had an office at the site of the second shooting, the New Life Church in Colorado Springs, where Murray was shot by volunteer security guard Jeanne Assam. Investigators said Murray may have died from a self-inflicted gunshot wound, though police and church leaders credited Assam's bravery with averting a greater tragedy.

Assam, 42, said her faith allowed her to remain steady under pressure.

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