A DeKalb County woman was stabbed to death by her live-in boyfriend Thursday inside their Smithville home, law enforcement officials say.The victim, Ashley Bain, 28, was found dead inside the home Thursday afternoon just before 3 p.m. She had been stabbed numerous times in the upper body. Investigators are unsure how long she had been dead. However, she was seen alive earlier in the day, suggesting she was slain sometime late morning or early afternoon Thursday.While not living here at the time of her death, Bain attended school in Warren County and has family members who currently live here.Her alleged killer, Anthony “Tony” Crews, 42, has been charged with second-degree murder and is being held under $250,000 bond at DeKalb County Jail pending a preliminary hearing this Thursday.