Updated 3 hours ago NBCUniversal, Inc. A Fort Worth mother did not wait for police to investigate a hit-and-run crash that left her young son seriously injured. Amiee Johnson took matters into her own hands, investigating the case and leading police to the possible suspect’s home. Download our NBC DFW mobile app for Apple or Android to get alerts for local breaking news and weather. Johnson and her supporters protested Monday afternoon with signs near his home, demanding those responsible be arrested and charged. They are also voicing their anger at how police have handled the case. Fort Worth Police announced Monday evening that an arrest had been made in the case, but said no further information would be released since the suspect is a juvenile.