"She's not considered a suspect, " said Laura Meltzer, a spokeswoman with the Las Vegas Metropolitan Police Department.

CNN: Woman sought in Las Vegas Strip shooting

"Obviously there's always some concern that something could go wrong, " said Chief Cathy Lanier of the Metropolitan Police Department.

CNN: FBI: No credible threats to inauguration activities

The lieutenant worked for the Las Vegas Metropolitan Police Department, where he supervised patrol officers, CNN affiliate KVVU reported.

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The Las Vegas Metropolitan Police Department identified Harris as the shooting suspect on Saturday, at which time they said his vehicle had been impounded.

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The Secret Service, Washington's Metropolitan Police Department, Capitol Police and Park Police are shutting down major and minor roads alike around Capitol Hill, where the ceremony will take place.

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Metropolitan Police Department and to the FBI.

WHITEHOUSE: Press Gaggle aboard the Press Bus en route Davenport, IA

Representatives from 42 agencies including the Secret Service, FBI, U.S. Capitol Police, Washington's Metropolitan Police Department, U.S. Park Police and the military will work at the MACC during the inauguration and share incoming information about any security issues.

CNN: FBI: No credible threats to inauguration activities

Metropolitan Police Department, and D.

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The technical details of the California case may differ, but the level of fear people feel as they listen to accounts of the manhunt for a well trained suspect who authorities say has a vendetta is similarly acute, said Jim Trainum, a former homicide detective with the Washington Metropolitan Police Department who worked on the sniper case.

CNN: L.A. manhunt reminiscent of D.C. sniper case