KEY TAKEAWAYS

Police continue investigating Charlie Kirk's Sept. 10 shooting at Utah Valley University.

Greg Shaffer, ex-FBI agent, suggests investigators are befriending suspect Robinson for information.

Conflicting reports and theories circulate; FBI Director Patel defends agency's investigation process.

SALT LAKE CITY — A St. George man has already been arrested and charged with killing Charlie Kirk, but police are still working to find out more about what led up to the Sept. 10 shooting at Utah Valley University. And one aspect of their investigation may be surprising, according to a former federal law enforcer.

"It's probably very different than what most people think is happening — that the FBI is in there trying to grill him and everything else," said Greg Shaffer, a retired

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