Sarah McBride to deliver historic remarks on Thursday
Presumptive Democratic presidential nominee met with victims’ families
Group joined hundreds of protesters in city’s main square
City is Ohio's ‘Democratic stronghold’
Sheridan Aguirre was born in Mexico, lives in Texas
Co-chair of GOP platform committee among speakers
Defense analyst spoke at Equality Ohio panel
Eight of 17 cases this year reported in gay, bi men
Black and Hispanic gay men used home kits
Gathering began a month after Pulse nightclub massacre
