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KNOXVILLE, Iowa — More than 100 Marion County residents gathered outside the courthouse Friday to demanded justice for Shirley Carter, who was shot and killed inside her Lacona home last June.

“I feel when she got killed, I feel like I lost a mom,” said Wade Brent, of Pleasantville.

No arrests have been made in Carter’s death. Her husband, Bill Carter, filed a wrongful death lawsuit against their youngest son, Jason Carter.

Despite the lawsuit and investigation, no charges have been filed, which prompted concerned family and friends to rally Friday in hopes to spark results from county investigators.

“We trust the system, but it’s slow right now. The fear is that the system will forget her, and we won’t let that happen,” said Carter’s neighbor Matt Russell.

“Our family will never let this become a cold case. We won’t let Shirley’s memory become a memory, and I guarantee justice should be served and will be served. And we will make sure it’s served,” Carter’s niece Kim Bingham said.

The Iowa Department of Criminal Investigation continues to work the case. Bill Carter was at Friday’s rally but did not want to give a comment.