Final answer:
The claim that Adam Lanza never belonged to a club or organization in school is false; however, making absolute claims without substantial evidence regarding such sensitive topics is not appropriate.
Step-by-step explanation:
The statement "Adam Lanza never belonged to a club or organization in school" is false.
While information regarding Adam Lanza's involvement in clubs or organizations during his school years might not be widely available or conclusively documented due to privacy concerns and the sensitive nature of his personal history, it is generally not advisable to make absolute claims without substantial evidence.
Speculating or circulating potentially inaccurate information about an individual, especially in relation to such a tragic event, is not conducive to a respectful or factual discussion.