Authorities said the victims are being treated at Midland Memorial Hospital.
Mr Patel said the FBI is going all out against fraudsters within and outside America.
John Michael Dimitrion is wanted for mortgage fraud of $1.3 million.
Authorities identified the shooter as Nasire Best, a 21-year-old man.
FBI’s Deputy Director Dan Bongino also hailed the operation, describing it as a model of effective and proactive policing.
Former American Presidents Barack Obama and Joe Biden have condemned the shooting.
The FBI noted Mr Giardina has a right to appeal his removal from office.
The former federal prosecutor arguably faced the most intense scrutiny from lawmakers among all of Mr Trump’s picks.
Mr Patel was the brain behind the rescue operation.
Mr Trump criticised Mr Wray’s tenure and celebrated the impending change in leadership.
