It’s been one month since the Fourth of July mass shooting at a Highland Park, Illinois, parade that left seven dead. In the past month, the case against the 21-year-old shooting suspect has progressed. The Highland Park native appeared in Lake County’s circuit court Tuesday and pleaded not guilty to 117 felony counts. Highland Park residents are still reeling from the attack, and thousands have sought mental health services, Mayor Nancy Rotering told USA TODAY. Many are also turning anger into activism by making public art, putting up yard signs, organizing phone banks and meeting with lawmakers to push for…