Answer: investigated

AnswerCrossword Clue
investigatedMake a check to find out something
investigatedCarry out research or study into (a subject, typically one in a scientific or academic field) so as to discover facts or information
investigatedINVESTIGATE, to observe or study by close examination and systematic inquiry
investigatedCarry out a systematic or formal inquiry to discover and examine the facts of (an incident, allegation, etc.) so as to establish the truth
investigatedMake inquiries as to the character, activities, or background of (someone)