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Detective Column

This column is the English version of a column written in Japan.

Disclaimer
This column was originally written in Japanese and has been translated into English for your convenience. Please note that the legal information and references discussed here apply specifically to Japanese laws and regulations. If you require legal advice or information relevant to your own country, we recommend consulting a qualified professional who is knowledgeable about the laws in your area.

SNS: A Treasure Trove of Evidence for Infidelity – Investigation Methods You Can Do Yourself

If you suspect your partner is being unfaithful but lack concrete evidence, don’t give up just yet. One tool worth checking is social media. Even if you can’t unlock your partner’s phone, you can still investigate through their social media accounts. This article explains how to gather evidence of infidelity from popular social media platforms.

Finding Infidelity Clues on Twitter

Twitter is one of the most widely used and recognized social media platforms. If your partner seems to use Twitter, try identifying their account. Twitter allows searches by account name, user ID, phone number, or email address. While most people don’t use their real name as their account name, try searching for nicknames, phone numbers, or email addresses that might be familiar.

If your partner is cautious, they may have registered with a free email account. In such cases, you might locate their friends instead and trace your way to their account through mutual followers.

What kind of evidence can Twitter reveal? Twitter allows users to post text (up to 280 characters) and photos. Pay particular attention to photos, which are displayed in the "Media" section of their profile. Carefully examine any suspicious photos, including reflections in windows or glass objects, as these might reveal incriminating details.

Even if your partner hasn’t posted tweets, check the "Tweets & Replies" section. They might be engaging in conversations with their affair partner on the platform. Since Twitter doesn’t track viewing history, feel free to thoroughly investigate their activity without worrying about being discovered.

Uncovering Evidence on Instagram

Compared to Twitter, Instagram is more photo-centric, making it an ideal platform to search for photographic evidence of infidelity. When creating an Instagram account, users must register their phone number for verification. Even if your partner has unlinked their phone number from their account, you can still potentially locate it if you have your own Instagram account.

Surprisingly, even celebrities have been caught cheating through their Instagram posts, highlighting the platform’s potential to reveal evidence. In addition to searching for your partner’s account, consider investigating accounts of people you suspect might be involved with them. Instagram is particularly popular among women in their 20s to 40s, and there’s a high chance that an affair partner might frequently post photos.

Examine the dates and content of the posts closely. If you find anything suspicious, take screenshots or save photos for future reference.

Finding Infidelity Evidence on Facebook

Facebook is known for its lower anonymity compared to other platforms. Unlike Twitter or Instagram, Facebook prohibits users from having multiple accounts, and most users register with their real name. Profiles often include information such as education, workplace, marital status, hometown, and current residence.

To locate your partner’s Facebook account, search using their real name or maiden name. Facebook might also provide clues about the affair partner’s behavior or general location. In some cases, you may even discover that the affair partner is married, revealing a case of mutual infidelity.

However, it’s worth noting that Facebook users range from highly active individuals who post daily to “ghost users” who log in only a few times a year. Before drawing conclusions, verify whether the account is active and whether the information is up to date.

Challenges of Investigating Social Media

While the methods above can help uncover evidence, it’s important to acknowledge the limitations. All three platforms—Twitter, Instagram, and Facebook—allow users to set their accounts to private. This means that even if you find the account, you may not be able to see its content unless you’re an approved follower.

To access private content, you would need to follow the user and request permission, which risks exposing your identity to your partner or their affair partner. Alternatively, you could create a “fake account” to investigate further, but this approach carries its own risks. If discovered, the affair partner may delete evidence or become more cautious, complicating your investigation and future relationship.

For this reason, it’s often best to simply confirm the existence of a social media account without taking further action yourself.

Conclusion

Social media platforms often leave traces of infidelity, some of which can serve as critical evidence. While it’s possible to conduct investigations independently, savvy users may protect their accounts with privacy settings, making it difficult to gather information.

Additionally, some people may not have the technical skills or familiarity with social media to locate accounts effectively. If this is the case, hiring a professional investigator is recommended. A skilled investigator can discreetly gather concrete evidence of infidelity without alerting the involved parties, ensuring you have the proof you need to confront the situation confidently.

Disclaimer

This column is a translation of content originally written in Japanese. Please note that the legal information and references mentioned here pertain specifically to the laws and regulations of Japan. If you are seeking legal advice or information relevant to your country, we recommend consulting a professional familiar with your local laws.

Japanese Detective Column