Conway
PHOTO: CNN
Conway
Now playing
02:45
Conway defends Trump on gun control
PHOTO: CNN
Now playing
04:07
Conway: I'm a victim of sexual assault
conway amanpour
PHOTO: CNN/PBS
conway amanpour
Now playing
02:32
Conway deflects question on 'fake news' slogan
PHOTO: AP
Now playing
01:58
Conway touts Trump, her husband criticizes him
WASHINGTON, DC - APRIL 17:  George T. Conway III, husband of White House Counselor to the President Kellyanne Conway, attends the 139th Easter Egg Roll on the South Lawn of the White House April 17, 2017 in Washington, DC. The White House said 21,000 people are expected to attend the annual tradition of rolling colored eggs down the White House lawn that was started by President Rutherford B. Hayes in 1878.  (Photo by Chip Somodevilla/Getty Images)
PHOTO: Chip Somodevilla/Getty Images
WASHINGTON, DC - APRIL 17: George T. Conway III, husband of White House Counselor to the President Kellyanne Conway, attends the 139th Easter Egg Roll on the South Lawn of the White House April 17, 2017 in Washington, DC. The White House said 21,000 people are expected to attend the annual tradition of rolling colored eggs down the White House lawn that was started by President Rutherford B. Hayes in 1878. (Photo by Chip Somodevilla/Getty Images)
Now playing
02:38
Reporter details life in the Conway household
White House Counselor Kellyanne Conway speaks to reporters on the White House driveway after doing a television interview, on April 13, 2018 in Washington, DC.  (Mark Wilson/Getty Images)
PHOTO: Mark Wilson/Getty Images
White House Counselor Kellyanne Conway speaks to reporters on the White House driveway after doing a television interview, on April 13, 2018 in Washington, DC. (Mark Wilson/Getty Images)
Now playing
01:59
Conway struggles to name top black WH aide
cuomo conway
PHOTO: CNN
cuomo conway
Now playing
02:16
Conway to Cuomo: How dare you
Conway immigration
PHOTO: FOX NEWS
Conway immigration
Now playing
01:08
Kellyanne Conway doubles down on immigration agenda
White House Counselor Kellyanne Conway speaks to reporters on the White House driveway after doing a television interview, on April 13, 2018 in Washington, DC.  (Mark Wilson/Getty Images)
PHOTO: Mark Wilson/Getty Images
White House Counselor Kellyanne Conway speaks to reporters on the White House driveway after doing a television interview, on April 13, 2018 in Washington, DC. (Mark Wilson/Getty Images)
Now playing
01:50
Conway breaks from Trump on media rhetoric
PHOTO: NBC/"Meet The Press"
Now playing
01:01
Conway: 'Nobody likes' separating children
Now playing
02:21
Conway says Kelly Sadler still welcome at WH
Now playing
03:12
Kellyanne Conway to Dana Bash: You went there
Kellyanne Conway newday 04162018
PHOTO: CNN
Kellyanne Conway newday 04162018
Now playing
02:01
Conway: Comey's FBI was a hot mess
PHOTO: Kevin Hagen/Getty Images
Now playing
01:14
Who is Trump adviser Kellyanne Conway?
Conway Cuomo 04162018
PHOTO: CNN
Conway Cuomo 04162018
Now playing
01:48
Conway: All Comey had to do was keep mouth shut
Counselor to the President Kellyanne Conway listens while Norway's Prime Minister Erna Solberg and US President Donald Trump hold a press conference in the East Room the White House January 10, 2018 in Washington, DC.
PHOTO: BRENDAN SMIALOWSKI/AFP/Getty Images
Counselor to the President Kellyanne Conway listens while Norway's Prime Minister Erna Solberg and US President Donald Trump hold a press conference in the East Room the White House January 10, 2018 in Washington, DC.
Now playing
02:18
Conway violated Hatch Act, report says

Story highlights

A bump stock is a device that enables semi-automatic rifles to fire rapidly like automatic weapons

Conway also blamed Democrats for not talking about guns before tragedies

(CNN) —  

White House counselor Kellyanne Conway blamed the Bureau of Alcohol, Tobacco, Firearms and Explosives under the Obama administration Thursday for not regulating bump fire stocks, also known as bump stocks, though it’s not clear the bureau had the authority to do so.

A bump stock is a device that enables semi-automatic rifles to fire rapidly like automatic weapons. Jill Snyder, special agent in charge of the ATF, said Tuesday that the gunman in Las Vegas rigged 12 semi-automatic rifles with bump stocks.

“I did note … it was President Obama’s ATF, the Bureau of Alcohol, Tobacco and Firearms, in 2010 that decided not to regulate this device,” she told CNN’s Chris Cuomo on “New Day.” “That should be part of the conversation and part of the facts that you put before your viewers.”

In 2010, Texas-based Slide Fire pitched the device to federal regulators as a new way to assist people with disabilities to “bump fire” from an AR-15-type rifle. Breitbart News, led by former White House chief strategist Steve Bannon, noted Wednesday that the device was approved by Obama’s ATF.

Because a bump stock is not a firearm, the ATF classified it as firearm part – so the ATF wrote in a letter that it approved it because it doesn’t have any real jurisdiction over firearm parts.

“We find that the bump stock is a firearm part and is not regulated as a firearm under Gun Control Act or the National Firearms Act,” ATF said in a letter at the time.

Conway also argued that Democrats such as Hillary Clinton, Bernie Sanders and Elizabeth Warren don’t talk about gun control until a tragedy occurs.

“(Clinton) has tweeted about guns one time this year. Bernie Sanders, zero times. Elizabeth Warren, zero times. They have tweeted about Russia over 30 times, Sanders and Warren,” she said. All three Democrats tweeted frequently about guns in the wake of the Las Vegas shooting.

01:14 - Source: CNN
Storm chaser captures Hurricane Harvey's force
Now playing
01:14
Storm chaser captures Hurricane Harvey's force
Now playing
00:42
FEMA official: We'll be in Texas for years
Satellite images from Digital Globe show the aftermath of Harvey.
PHOTO: Digital Globe
Satellite images from Digital Globe show the aftermath of Harvey.
Now playing
00:49
Satellite images show before and after Harvey
HOUSTON, TX - AUGUST 28:  Evacuees fill up cots at the George Brown Convention Center that has been turned into a shelter run by the American Red Cross to house victims of the high water from Hurricane Harvey on August 28, 2017 in Houston, Texas. Harvey, which made landfall north of Corpus Christi late Friday evening, is expected to dump upwards to 40 inches of rain in areas of Texas over the next couple of days.  (Photo by Erich Schlegel/Getty Images
PHOTO: Erich Schlegel/Getty Images
HOUSTON, TX - AUGUST 28: Evacuees fill up cots at the George Brown Convention Center that has been turned into a shelter run by the American Red Cross to house victims of the high water from Hurricane Harvey on August 28, 2017 in Houston, Texas. Harvey, which made landfall north of Corpus Christi late Friday evening, is expected to dump upwards to 40 inches of rain in areas of Texas over the next couple of days. (Photo by Erich Schlegel/Getty Images
Now playing
01:36
See where 10,000 people are living after Harvey
Now playing
00:47
Flood forces Texas TV station to evacuate
Now playing
00:43
Lt. Gen. Honore: Stop congratulating each other
Now playing
01:55
Abbott: Harvey destruction worse than Katrina
Ranchers Hurricane Harvey cattle sandoval pkg_00000000.jpg
Ranchers Hurricane Harvey cattle sandoval pkg_00000000.jpg
Now playing
02:28
Texas ranchers battle to save cattle
Ric Saldivar newday
Ric Saldivar newday
Now playing
01:48
Man recounts losing six family members
WASHINGTON, DC :  U.S. President Donald Trump walks across the South Lawn after returning to the White House August 30, 2017 in Washington, DC. Trump traveled to Springfield, Missouri, to participate in a tax reform kickoff event, according to the White House. (Chip Somodevilla/Getty Images)
PHOTO: Chip Somodevilla/Getty Images
WASHINGTON, DC : U.S. President Donald Trump walks across the South Lawn after returning to the White House August 30, 2017 in Washington, DC. Trump traveled to Springfield, Missouri, to participate in a tax reform kickoff event, according to the White House. (Chip Somodevilla/Getty Images)
Now playing
00:51
WH: Trump to donate $1M to flood relief
otis dog hurricane harvey viral picture ebof_00004503.jpg
PHOTO: Tiele Dockens
otis dog hurricane harvey viral picture ebof_00004503.jpg
Now playing
01:03
Photo of dog carrying bag of food goes viral
Pastor Osteen
PHOTO: CNN
Pastor Osteen
Now playing
01:04
Joel Osteen responds to critics on Harvey
Houston flooding Hurricane Harvey kprc sot_00000000.jpg
PHOTO: KPRC
Houston flooding Hurricane Harvey kprc sot_00000000.jpg
Now playing
01:58
Families try to escape rising water
harvey emotional
harvey emotional
Now playing
01:35
Harvey brings 'hell' to Texas residents
pup
PHOTO: CNN
pup
Now playing
02:29
Pets separated from their families in Harvey

Cuomo responded: “I’m tired, so I apologize in advance, but I have to tell you a lot of this doesn’t wash … don’t cheapen what happened in Las Vegas.”