After the shooting attack on Donald Trump during an election rally in Pennsylvania, many questions arose before the Secret Service.
Donald Trump was shot above his right ear when a suspected shooter opened fire during a campaign rally. Donald Trump survived the assassination attempt.
The FBI acted as the lead investigator in the incident, which left one person dead and two seriously injured.
Former US President Donald Trump narrowly escaped an assassination attempt during an election rally
According to a BBC Urdu report, Secret Service Director Kimberly Chettle has been summoned to testify before the US House of Representatives on July 22.
Here are some things that security experts are asking regarding.
It is not yet clear how the suspected gunman, Thomas Matthew Crooks, gained access to the roof of a building near the rally that was a little more than 130 meters (430 feet) from Trump.
An eyewitness told the BBC that others, including him, had clearly seen gunmen crawling across the roof with a rifle. They notified the police, but the suspect wandered around for several minutes before opening fire and then fatally shooting himself.