unimaginable grief tonight on father's day no less. our hearts, our prayers are with their families. thank you, martin savidge. and now to a crisis that is equal part shocking and no longer surprising, which is frankly really sad. the epidemic of gun violence in america that's getting harder to ignore. at least seven mass shootings this weekend alone adding to the nearly 300 already this year across the u.s. and disturbing headlines of gun violence incidents are appearing in communities coast to coast. you see just some of them on your screen right now. too many to have time to go through each individually. including from philadelphia, where a 3-year-old was shot in the leg and is now without a father on this father's day after he was killed in violence this weekend. cnn's evan mcmorris-santoro is tracking the stories for us again tonight. evan, the trend continues this holiday weekend, and the worry