About Us Attorney Daniel M. Walsh is a Joliet criminal defense lawyer serving Will County, Grundy County & Kankakee County. Daniel M. Walsh, is a former Will County Prosecutor who has handled hundreds of jury trials and is a TRUE courtroom trial attorney. Attorney Walsh has handled every type of case, ranging from traffic tickets to DUI’s to murders. In his time at the prosecutors office, Dan handled over 25 murder cases. Let his experience and knowledge work for you!