i'm catherine cortez masto woman: here in nevada, those were the worst days of our lives, and congressman heck called it "a blip." narrator: in 2008, joe heck called nevada's housing crisis "a blip on the radar." that's just how out of touch joe heck is. narrator: after heck sponsored a bill giving tax breaks to big banks, wall street-- including banks who caused the housing crisis. it's clear what joe heck's priorities are, and families like mine get left behind.

narrator: donald trump and joe heck.

why would we ever send danny tarkanian to congress? e... don't believe... don't believe joe heck's attacks. catherine cortez masto has always served with integrity. as a federal prosecutor and attorney general... she made sex trafficking a felony crime. she worked with the bush and obama administrations to combat terrorism. as attorney general, she helped reduce crime. that's why she's endorsed by law enforcement across nevada. catherine cortez masto. catherine cortez masto. i trust her to keep us safe. i'm catherine cortez masto,

why would we ever send danny tarkanian to congress?

because it starts working faster on the first day you take it.

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acres near red rock resort. i'm catherine cortez masto and i approve this message. they're bringing drugs, they're bringing crime, they're rapists. narrator: and joe heck says "i have high hopes we'll see donald trump become president." i don't know what i said, aah... narrator: heck says he "completely supports" trump. i would bomb the [bleep] out of them. narrator: and heck? reporter: you trust him having his finger