Family and police are seeking help from the public, urging anyone with information to contact authorities as the investigation continues. A south suburban family is asking for the public’s help in locating their missing 20-year-old son, who was last seen Saturday. Since then, Williams' phone has gone straight to voicemail, and there has been no activity on his debit or credit cards, according to family members. Police say Williams’ phone last pinged in the 2100 block of South Harding Avenue in the North Lawndale neighborhood. said Williams' father, Ryan Williams Sr. "…If anyone is causing any harm or thinking about any harm, please just don't do it.