Five unanswered questions over assassination attempt on Donald Trump including why was rooftop unsecured despite being identified as a security risk, how Matthew Crooks got on the roof and why it took so long for snipers to take him out

Questions surrounding really would-be governmental assassin Thomas Matthew Crooks managed to get into a position conscionable 100 feet from Donald Trump was speaking, return purpose pinch a firearm and occurrence disconnected astatine slightest 8 shots, remain. 

Crooks, 20, was changeable dormant by a Secret Service sniper moments aft he opened occurrence astatine nan Trump rally successful Butler, Pennsylvania, connected July 13. The presumptive Republican nominee was wounded successful nan receptor while protagonist Corey Comperatore tragically mislaid his life.

New videos look to corroborate witnesses accounts that attendees astatine nan rally notified rule enforcement astir Crooks' beingness connected nan rooftop earlier Trump took nan stage. 

Officials person said that Crooks sewage into position connected nan rooftop of American Glass Research utilizing a ladder. After witnesses alerted cops erstwhile they saw Crooks, 1 serviceman was hoisted by different connected to nan rooftop. 

Once there, Crooks trained his weapon connected nan officer, forcing him to duck for cover. Moments later, shots rang out, terrifying nan crowd. 

Trump was said to beryllium successful 'great spirits' connected Sunday while telling nan Washington Examiner that he has rewritten nan reside he will present astatine nan Republican National Convention successful Milwaukee this week.

Meanwhile, President Joe Biden spoke for astir 5 minutes from nan Oval Office and noted that nan Republican National Convention was opening successful Milwaukee connected Monday, while he himself would beryllium walking nan state to run for reelection.

He said passions would tally precocious connected some sides and that nan stakes of nan predetermination were enormous.

But nan president added, 'it's clip to cool it down' and noted not conscionable nan play onslaught connected Trump but besides nan anticipation of election-year unit connected aggregate fronts.

Despite those calls for calm, excessively galore questions remain. 

How did Thomas Crooks get connected to nan roof?

Officials person confirmed that Crooks utilized a ladder to climb up to nan tile of nan American Glass Research building successful Butler, on Evans Road. 

It's not clear for really agelong he was successful nan vicinity. Trump took nan shape astatine 6:03pm, attendees began entering nan grounds of nan arena astir 1:00pm. 

The crowd were forced to spell done metallic detectors earlier gaining entry. CNN reports that Crooks was reportedly acting suspicious astir security. It's not clear astatine what clip that was reported. 

A connection was relayed to nan Secret Service astir Crooks, informing them to support an oculus connected him.  

According to nan Associated Press, Trump supporters notified section cops who were operating nan area astir Crooks' beingness astatine 6:10pm.  

Why wasn't it secured?

Secret Service spokesperson Anthony Guglielmi said that nan agency worked pinch section rule enforcement to unafraid nan area and that securing nan perimeter was nan work of nan Butler Township Police Department and nan Butler County Sheriff's Office. 

Butler County District Attorney Richard Goldlinger disputed this somewhat erstwhile speaking to NBC News. 

'They had meetings successful nan week prior. The Secret Service ran nan show. They were nan ones who designated who did what. In nan bid hierarchy, they were top, they were No. 1,' he said.

'To me, nan full point is nether nan jurisdiction of nan Secret Service. And they will delineate from there.'

The serviceman who confronted Crooks connected nan tile was a personnel of nan Butler Township Police Department.  

Why did it return truthful agelong for snipers to return him out?

The Secret Service is still investigating nan consequence to nan gunshots.   

It took 'seconds' for nan sniper to termination Crooks, a rule enforcement root told CBS. 

The video reveals that it was 43 seconds betwixt nan first bid of pops heard and a Secret Service supplier saying: 'The shooter is down.' 

Initial reports bespeak that Crooks managed to occurrence 8 bullets into nan crowd earlier being changeable dormant astatine 6:11 pm. 

Trump was successful nan mediate of describing a displayed floor plan astatine nan time. 'And if you want to really spot thing this sad... return a look astatine what happened...'

The adjacent sound heard was a bid of pops, arsenic galore arsenic six tin beryllium heard. 

The adjacent sound is simply a antheral sound saying: 'Get down! Get down! Get down!' Five Secret Agents past swarm nan shape and supply sum for Trump. Another bid of popular for illustration sounds are heard. 

It's 12 seconds later that we perceive a last volley of shots, little than 30 seconds aft that a sound tin beryllium heard saying: 'Shooter is down.' 

The limb utilized was an AR-15 style firearm chambered successful 5.56mm. At slightest 3 attendees, including Comperatore, were hit. Donald Trump was wounded successful nan ear. 

The others were described arsenic being 'critically injured.'

Why was nan solid making building retired of nan information perimeter?

It's not clear why nan solid manufacturer's building remained extracurricular of nan unafraid perimeter. 

Homeland Security Secretary Alejandro Mayorkas told ABC News Monday: 'A nonstop statement of show for illustration that to nan erstwhile president should not occur. That's why president Biden directed an independent reappraisal of nan incident.' 

A erstwhile Secret Service supplier told NBC News that nan specified beingness of nan building should person been capable to pique nan liking of those charged pinch securing nan event. 

'Just because it is extracurricular of nan perimeter, it doesn't return it retired of play for a vulnerability, and you've sewage to mitigate it successful immoderate fashion,' nan supplier said.

Another erstwhile Secret Service agent, Anthony Cangelosi, told NBC that 1 of 2 scenarios is apt to beryllium revealed. There was either nary scheme to woody pinch a imaginable sniper connected nan tile aliases location was an it was not executed. 

'I don't for illustration making immoderate assumptions, but it does look for illustration immoderate mistakes were made, that this was preventable,' Cangelosi added. 

'There will beryllium an intensive review' of nan incident and 'there's going to beryllium a monolithic realignment,' said Joseph LaSorsa, a erstwhile Secret Service supplier who served connected nan statesmanlike detail. 'This cannot happen.' 

DA Goldlinger told CBS News that section rule enforcement provided snipers to assistance nan Secret Service which intends location was other coverage. 

Those section snipers were placed to nan near of nan Secret Service sniper who took retired Crooks, disrupting their statement of show to Crooks.  

During astir of Trump's run stops, section constabulary assistance nan Secret Service successful securing nan venue. Agents from different agencies wrong nan Department of Homeland Security, specified arsenic nan Transportation Security Administration, occasionally help.

Many Trump rallies characteristic thousands of assemblage members, return spot successful nan unfastened aerial and past for hours.

Before nan event, agents scan nan venue for bombs aliases different threats, and Trump invariably arrives successful a fortified motorcade.

Law enforcement officials typically put up barriers arsenic a perimeter, and require each attendees to spell done a metallic detector to participate nan venue. Armed protective agents hunt each attendees' bags and moreover wallets. 

Many rallygoers are patted down by hand.

Why did nan cops not do anything?

Video from nan segment conscionable earlier nan gunfire began shows a man speaking pinch a section bull and appearing to constituent to nan tile of nan building wherever Crooks was lying successful wait. 

Other bystanders tin beryllium heard directing nan serviceman to that tile top. 

A witnesser told KDKA that nan shooting began moments aft he told a bull that he'd seen Crooks. 

'When I turned astir to spell backmost to wherever I was, it was erstwhile nan gunshots started, and past it was conscionable chaos, and we each came moving away, and that was that,' Ben Macer said.  

Butler County Sheriff Michael Slupe told CBS News that erstwhile nan cops were told astir nan sightings of Crooks, they began 'searching' for him. 

Slupe said an serviceman pinch nan Butler County Township was hoisted connected to nan tile wherever he encountered Crooks. 

'All I cognize is nan serviceman had some hands connected nan tile to get up connected nan roof, ne'er made it because nan shooter had turned towards nan officer, and rightfully and smartly, nan serviceman fto go,' Slupe said.  

'I would person done nan aforesaid thing, absolutely. I mean, group deliberation nan officers are supermen for illustration you clasp connected nan tile pinch 1 manus while you are hanging connected for beloved life and propulsion a weapon out. It doesn't activity that way.'  

Paul Eckloff, a erstwhile Secret Service supplier who retired successful 2020, said agents would person surveyed each nan rooftops pinch a statement of show up of time.

'This personification either concealed themselves until they became a threat, aliases were not a threat until they revealed their weapons,' said Eckloff.