Transcript for Family wants FBI to join search for missing postal worker
- It's a prayer for closure and justice as the mother of Kierra Coles and her supporters hope to bring the missing postal worker home.
- Can't nobody imagine the pain that I go through daily missing my child, not hearing her voice, not knowing if she had her child, not knowing if she's suffering every day.
- Kierra Coles mysteriously disappeared nearly five years ago. This morning, a group held a vigil for Coles, where they demanded more be done to find the missing woman. They want the FBI to get involved in the case.
- Bring in resources to help find Kierra and to bring her back home to her family.
- Chicago police say their joint investigation with the US Postal Service is active and ongoing. The 26-year-old Coles went missing in October of 2018. She was three months pregnant. Her car was found parked on her block of her 81st and Vernon Avenue apartment, with her cell phone and purse inside.
At the time, detectives released surveillance video showing Coles with a person of interest. Kierra's mother thinks the man seen in the surveillance video with her daughter had something to do with her disappearance.
- One minute you tell us you're going to do all you can. The next minute, you gone out of town. So you definitely raise a lot of suspicion.
- Investigators did question the man seen in the video but there have been no arrests in the case. Today family and friends plan to increase the reward for information to find Coles to $68,000.
- My brothers and sisters at the United States Postal Service want to know where Kierra Coles is at.
- This is Karen Phillips's vows to never give up.
- I hope you know that we all love you and we're not going to stop until you're home.
This transcript has been automatically generated and may not be 100% accurate.