Maj.

Bradley

Podliska

,

an

intelligence

officer

in

the

Air

Force

Reserve

who

describes

himself

as

a

conservative

Republican

,

told

CNN

that

the

committee

trained

its

sights

almost

exclusively

on

Clinton

after

the

revelation

last

March

that

she

used

a

private

email

server

during

her

tenure

as

secretary

of

state

.

That

new

focus

flipped

a

broad-based

probe

of

the

attack

on

the

U.S.

consulate

in

Benghazi

on

September

11

,

2012

,

into

what

Podliska

described

as

"

a

partisan

investigation

.

"