No lol they didn't.
The detective helped them and now they live on an island :)
it was all a show ;)
at the end they decided to go back to cell. read the extra part...
no they did not they decided to go back to prison when they meet each other after their meeting and first escape in the end they are alive and living together on a island
0.0 did they actually die?! But im happy they got together at the end!