<P> Lori Grimes is an average middle - class housewife living in Cynthiana, Kentucky . As the outbreak begins, she and her son, Carl, are evacuated out of the city with help from her husband Rick's best friend and work partner, Shane Walsh, in hopes of getting to where her parents live . During the evacuation, the guilt that she has been wracked with over abandoning Rick leads her to have a sexual relationship with Shane, which she deeply regrets afterward . She continually brushes off Shane's attempts at advancing and ignores him even more when Rick miraculously arrives at their campsite . </P> <P> Lori soon finds out, after counting her missed periods, that she is pregnant; however, she hesitates to tell anybody until after Shane's death and their move back onto the road . </P> <P> Lori faces typical pregnancy issues such as morning sickness and mood swings throughout the first few months of her term . She and everyone else find relative stability at an abandoned prison, with hot showers, supplies, and security . While at the prison, she also begins to deepen her bond with fellow survivor Carol Peletier . Lori is frequently concerned with the well - being of both her family and the rest of the group . After giving birth to an infant girl that she and Rick name Judith, she remains extremely protective over her . </P> <P> During the final stages of the prison assault led by The Governor, Lori suffers a fatal shotgun blast to the back while she is carrying Judith by Lilly Caul . When Lori falls, Judith is crushed to death beneath her weight . </P>

Who killed carl's mom on walking dead