melancholy

sorrow

sorrowful

questioning

introspective

reflective

wrong

mystery

wondering

crime

loss

desperate

desperation

isolated

isolation

crime mystery

horror

thriller

cold

chilling

chiller

thrill

eerie

eery

creepy

creep

creeps

ghost

criminal

crime story

criminal investigation

murderer

kill

killer

hiding

hidden

mysterious

mystic

mystical

paranormal

dark

darkness

night

suspect

suspicious

suspicion

menacing

menace

foreboding

ominous

wonder

isolate

hide

forebode