Aeryn Rudel 
The Past, History [EPUB ebook] 

When professional hitman Jared Stiles makes the reckless decision to murder his wife’s lover in a fit of rage, he suddenly finds himself in danger. The high-profile victim has connections to dangerous people who will be seeking revenge.

Desperate to erase his mistake, Jared turns to a controversial new technology that allows the wealthy to rewrite their personal history. He takes a scientist at the secretive company hostage, demanding that his recent crime be undone.

But the temporal manipulation process is more complex than Jared realized, and his arrogance may be his downfall…