Why doesn't she say, "it belongs to my teddy bear, look next to the bed!" This has got to be a parody of the cinema trope where characters choose not to give the easy explanation that would solve the problem instantly
She secretly wanted Beast to die, the teddy bear was part of the set up.
It all started when she heard a Joe Rogan podcast that suggested that the anti-mutant government was only going after non-human-looking mutants and that they would bring down the price of eggs by purging them all.