Investigation, investigation, investigation, investigation team, investigation, investigation, investigation, investigation, investigation, investigation, investigation, interrogation, investigation, satellite investigation, investigation, assassination, investigation, investigation, investigation, investigation, investigation, investigation, investigation, investigation, investigation, investigation.
2. Words with detective characters in the middle:
Criminal investigation team, electronic reconnaissance satellite, undercover detective, electronic reconnaissance, photographic reconnaissance satellite, famous detective Conan.
3. Words with detective characters at the end:
Logical investigation, circuit investigation, economic investigation, investigation, criminal investigation, investigation, investigation.