Kathryn Nemec was a cleaner and Raymond Reddington 's close advisor. Kathryn Nemec had worked for Raymond Reddington for over 20 years, having officially been missing as of She is often seen helping Red dispose of bodies and clean up crime scenes. Kate is very proficient with firearms and seen carrying a Smith and Wesson Plus.
Kate's mother died in and she attended the funeral with her father, where they said goodbye and had a conversation about death. Kate went on to further her education by learning French, Italian, Russian, and German for her diplomatic jobs.
She attended NorthWestern Medical School but dropped out to pursue a Master's in Child Development and helped raise 7 different children, some siblings. Kate eventually got a job as a nanny for Katarina Rostova to look after her daughter, Masha. Katarina makes it clear that she will care for her only when Katarina is not around and will only discreetly observe them when she is around, taking care to note what Katarina does, so she can do it in her absence.
Katarina makes one final condition afterwards: Kate cannot love Masha. Three months after she is hired, she witnesses Katarina and an unknown man struggle to kill each other in the kitchen. During the struggle, Kate slides a knife to Katarina, and she slits the man's throat. Katarina says Alexander can't know and Kate advises her to go upstairs and clean herself while Kate cleans up the kitchen.
The next morning, Kate and Katarina talk about the man she killed. Kate reveals she knows about Katarina being Soviet Intelligence based on documents she found on the man. When asked, Kate explains the way she disposed the body and Katarina is so impressed that she charges Kate with similar situations should they arise. Around , Kate catches Katarina sleeping with a married American man as per her assignment and she advises her to end things for Masha's sake. Katarina tries to end things with the American, Raymond Reddington, but he doesn't take it well and kidnaps Masha and brings her back to America.
