Mike was investigating a murder scene with his 2 police man. The suspects are Trish [her sister]. Dave [her partner] and Jordan [her dad]. Then Mike found a note with numbers and letters. It looks like this: t1 pip 515
After that Mike arrested the killer. Who did it?
Trish did it. When you put the messege upside down. It says "SIS did it." Trish is her sister.