ins and outs(the details or fine points) noun [UK: ɪnz ənd ˈaʊts] [US: ˈɪnz ænd ˈaʊts]
entresijosnoun {m-Pl}
intricacy [intricacies](that which is intricate or involved) noun [UK: ˈɪn.trɪk.ə.si] [US: ˈɪn.trək.ə.si]The investigator tried to figure out the intricacies of the crime. = El investigador intentó descubrir los entresijos del crimen.