They walk twice a week in their St. Peters neighborhood with fluorescent colored shirts stamped with the words, 'STOP HEROIN.'
The walk came to Lindenwood University Thursday. One of Nicky`s childhood friends extended the invitation.
'It was just weighing on my heart with a lot of people I know who are losing friends and family,' said Casey Christensen.
Nicky`s sister spoke to the group about her sister`s overdose.
'People think the person using heroin is just like a junkie under the bridge, they`re just somebody that you would never ever see,' said Brittney Vigna. 'In reality, it`s people that you know. '
The walks have been a source of inspiration for former addict Kyle Baxter to stay clean.
'It`s something that I have hope for every single week,' Baxter said.
He said heroin is available just about anywhere.
'If you want to use, you`re going to find it,' said Baxter.
Danielle Rancilio agrees. She lost her brother Tony to heroin.
'It`s in everyone`s neighborhood and it`s just so dangerous,' said Rancilio.
The mother of Nicky Vigna wants parents to know just how cheap and accessible heroin is.
'The average cost of heroin is $5 a button,' said Gee Vigna. 'That`s what they can buy heroin with, and one button of heroin can kill them.'
Experts say heroin can also kill the ability of users to say know. They say a user can get hooked after just one use.
More info: www.stopheroin.org