Someone was about to get killed by Hanna, so that same someone before their death typed a message which is written "qazsedc", which indicates the killer's name, Hanna
When you are bored so you decide to type every letter on the keyboard left to right skipping a line the going right to left typing in the lines you skipped.
Chad:Ugh im so bored I typed everything I could into the keyboard.
James: Really you even typed qazedctgbujmolpikyhnrfvwsx?
Chad: Yup.
James: Wow I haven't even been that bored.