Lanoree is a moron.
After chasing her brother for days and not eating or drinking (stupid), she comes upon bloody garments and bubbles in a pool.
A) Use the Force to try to sense him, using their special family/twin connection?
B) Wonder where his body is and try to find it?
C) Scream about him being dead?
Go ahead, guess. No, don't pick what a sensible person would choose, pick what a moron would choose.