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Gunman Who Killed Officer Left Note Saying Police Hit Him With 'Sonic Waves'

Among the evidence recovered from the home of a man who shot and killed a rookie California police officer were two unregistered guns and a letter claiming police had been bombarding him with ultrasonic waves.

Posted: Jan 14, 2019 3:51 AM
Updated: Jan 14, 2019 3:49 PM

By Susannah Cullinane and Carma Hassan, CNN

(CNN) -- The gunman who killed an officer in Northern California left behind a letter accusing the Davis police department of hitting him with "ultra sonic waves."

A man on a bicycle shot Davis police Officer Natalie Corona, 22, Thursday night as she responded to a triple-car crash in the city of Davis. He was later found dead with a self-inflicted gunshot wound.

In a statement Saturday, the Yolo County Sheriff's Office identified Kevin Douglas Limbaugh, 48, as the suspect in the officer's killing.

Limbaugh left behind a letter, according to Davis police spokesman Lt. Paul Doroshov, who read the letter on camera to CNN affiliate KMAX.

"The Davis police department has been hitting me with ultra sonic waves meant to keep dogs from barking. I notified the press, internal affairs, and even the FBI about it. I am highly sensitive to its affect [sic] on my inner ear," the letter reads. "I did my best to appease them, but they have continued for years and I can't live this way anymore."

The letter is signed "Citizen Kevin Limbaugh."

'A rising star'
Corona was shot multiple times, Davis police Chief Darren Pytel said.

"This clearly to us looks like an ambush," Pytel said.

After shooting Corona, the suspect reloaded his firearm and fired toward a firefighter and a fire truck that were also responding to the traffic collision. Then he fled.

A manhunt for the shooter ended hours later when police found him dead with a self-inflicted gunshot wound in a home in Davis. He had left a backpack at the crime scene with information that led the officers to his home, Pytel said.

Corona died at the UC Davis Medical Center in nearby Sacramento. She began her service with the department as a community service officer in 2016. She finished the police academy in July and was promoted to police officer upon graduation.

"She was a rising star in the department," Pytel said.

She was a second-generation officer
Corona's father, Merced, is a retired Colusa County sheriff's sergeant in California. He stepped down from the force in 2012 after 26 years.

Payne, who also was newly hired, was in uniform and getting ready for work when she was gunned down at a Shreveport home, police Chief Ben Raymond said.

No one had been arrested in the shooting, and it is not known what led to the killing, Raymond said.

Payne was hired in July as an academy cadet and graduated in November. Raymond said her academy classmates grieved over her death.

Oregon Coronavirus Cases

Data is updated nightly.

Cases: 206777

Reported Deaths: 2754
CountyCasesDeaths
Multnomah40354614
Washington26781248
Marion23425323
Clackamas18925235
Lane13896164
Jackson11535146
Deschutes1001582
Umatilla859387
Linn560380
Yamhill477879
Klamath477678
Polk399356
Douglas387982
Malheur361463
Josephine359872
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Jefferson236839
Coos216637
Columbia191929
Union149824
Wasco144330
Lincoln143021
Crook129223
Hood River121933
Morrow115316
Clatsop10559
Baker101115
Curry70811
Tillamook6604
Grant5507
Lake4678
Harney4339
Wallowa1945
Gilliam801
Sherman671
Wheeler351
Unassigned00

California Coronavirus Cases

Data is updated nightly.

Cases: 3808258

Reported Deaths: 63335
CountyCasesDeaths
Los Angeles124761824454
Riverside3016034627
San Bernardino2992894844
San Diego2817493771
Orange2729225112
Santa Clara1201102188
Kern1107821404
Sacramento1076381731
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Alameda895921273
Ventura816381031
San Joaquin746861438
Contra Costa70561813
Stanislaus633871069
Tulare49814849
Monterey43831427
San Mateo42646581
San Francisco37256556
Santa Barbara34596455
Solano33707266
Merced32291478
Sonoma30868317
Imperial28813741
Placer23537299
Kings23189247
San Luis Obispo21421261
Madera16632245
Santa Cruz16235208
Marin14200230
Yolo14156212
Butte12659194
Shasta12630233
El Dorado10371116
Napa1002580
Sutter9656113
Yuba648551
San Benito610963
Lassen578424
Tehama573163
Nevada491075
Humboldt446348
Mendocino432150
Tuolumne420771
Amador373947
Lake356345
Glenn243427
Siskiyou239437
Colusa228418
Calaveras220156
Del Norte14568
Inyo143438
Mono12954
Plumas7366
Modoc5585
Mariposa4657
Trinity4225
Sierra1150
Alpine890
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