investigo

in-vestīgō āvī, ātus, āre,

to track, trace out, search after: ad investigandum sagacitas narium. —Fig., to trace out, find out, discover, investigate, search into: neque ille investigatur, Qui est eius pater, T.: canes investigabant omnia: de Lentulo diligentius: ubi Lentulus sit: illorum conatūs.