The sequence of events from when dally left Johnny's hospital room through what happened in the vacant lot?

After Dally left Johnny's hospital room, he was distraught over Johnny's critical condition and the realization that their lives would never be the same. In a fit of anger and desperation, he sought out the Socs in the vacant lot, wanting to confront them and vent his frustration. There, he brandished a gun, which ultimately led to a tragic confrontation with the police, culminating in Dally's death by suicide by cop, reflecting his deep sense of loss and hopelessness after Johnny's passing.