Community marches in memory of Karina Vetrano

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Two weeks ago, Karina Vetrano, 30, was found raped and murdered in an undeveloped park near her home where she had been running.

Cathy Vetrano led a walk in Howard Beach, Queens, Tuesday evening to keep attention on the investigation to find her daughter's killer. About 700 people came out in the oppressive heat to walk with the Vetranos, carrying white and butterfly balloons. Butterflies were Karina's favorite.

Police say they haven't found any DNA matches on a local or national database. A $125,000 reward is being offered; the family is hoping the money will talk.

After a moment of silence, the marchers released the balloons, which floated into the air with prayers the killer will be caught before he strikes again