under way in st. louis at this hour, after a deadly attack inside a catholic goods store. a woman was killed inside. and here's abc's linsey davis. >> reporter: an active manhunt in st. louis tonight, after a woman was killed monday afternoon at a catholic supply store. >> gunshot wound. scene not secure, catholic supplies. >> reporter: authorities say 53-year-old jamie schmidt was a customer in the store when a man came in and sexually assaulted at least one woman and fired at schmidt. >> he already shot one female, so he's armed and dangerous. >> reporter: schmidt, a mother of three who sang in the church choir, later died at the hospital. the victim's sister-in-law told kmov -- >> i kind of feel like she resisted and that's why he shot her. and that's true to nature for jamie. >> reporter: police tweeted out these images, saying they are looking for a white male, 5'7" to 5'9", 40 to 50 years old, who was wearing a navy blue carhartt-style work jacket, a plaid shirt and a paperboy-style hat. that catholic supply store was