You have a text, a photo, or a chat that proves your point.
The question is whether a court will accept it.
That is a different bar than “is it true.” It is whether the evidence can be authenticated (shown to be what you say it is) and cleared of other objections.
The good news: most of what decides that is in your hands, and the steps are concrete.
This checklist walks them in order.
Read this first: this is educational, not legal advice, and it is not a guarantee.
Whether any specific item is admitted is a judge’s decision, made case by case on the facts.
What follows is how to make your evidence stronger and harder to challenge. Talk to a lawyer about your actual case.
The eight-step checklist
Work these in order, starting the moment you realize a message or file might matter.
The earlier you get them right, the harder your evidence is to attack later.
- Preserve the original and never delete it. Keep the source device and the source account intact. Deleting a message after you capture it can look like spoliation and can hurt you more than the message ever helped.
- Capture the source, not a screenshot of it. Export the message or file, or back up the device. A screenshot is a metadata-stripped picture of a screen and a weak, easily challenged form of digital evidence. See screenshots versus forensic evidence.
- Preserve the metadata. Timestamps, phone numbers, account identifiers, and message IDs are what let a record be authenticated. Keep the export or backup that carries them; do not flatten it into an image.
- Record the chain of custody. Write down where the evidence came from, who has handled it, and when. A simple, honest custody log is worth more than it looks.
- Hash it. A cryptographic hash is a digital fingerprint that proves a file has not changed since collection. Rule 902(14) lets data copied from a device be self-authenticated by “a process of digital identification.” A hash is the standard way to show it.
- Get the provider’s records where it matters. Carrier and platform records can come in as certified business records under Rule 902(11), independent of your own copy. That is a strong corroboration path when the other side disputes your phone.
- Match each item to how it gets authenticated. Use the decision tree below to know whether a given item rides on a witness (901), distinctive characteristics (901), or a self-authenticating certificate (902).
- Consider a forensic examiner for anything contested. For a disputed device, deleted-data recovery, or a certificate under 902(14), a credentialed examiner collects and documents the evidence so it holds up. See how evidence becomes a court exhibit.
Authentication: 901 vs. 902(14), a quick decision tree
“Authentication” just means clearing a low bar: producing enough evidence to support a finding that the item is what you claim.
The judge screens that threshold question under Rule 104(b); if a reasonable jury could find the item genuine, the jury ultimately weighs it.
Which path you use depends on the item:
- A person can testify to it → Rule 901(b)(1). Someone with knowledge (you, or a participant in the conversation) testifies the message is what it appears to be. The everyday path for your own texts and photos.
- It carries distinctive characteristics → Rule 901(b)(4). Contents, style, phone number, or other markings tie the message to its author even without a certificate.
- It was copied from a device by a documented process → Rule 902(14). Data identified by “a process of digital identification” (typically a hash) and certified by a qualified person is self-authenticating, with no live witness needed to get it in.
- It is a carrier or platform record → Rule 902(11). Certified business records come in on the certificate, again without a live custodian in the room.
Two precision points worth knowing, because weaker guides blur them.
First, Rules 902(13) and 902(14) solve authentication only. They do not clear hearsay.
Second, for electronically stored information an accurate output is an “original” under Rule 1001(d), and a “duplicate” is defined in Rule 1001(e); best-evidence fights over ESI are rare, and the real contest is authentication.
Authentic is not the same as admissible: the hearsay note
A message can be perfectly authentic and still be kept out as hearsay, an out-of-court statement offered for its truth.
The most common answer in these cases is that a damaging text from the opposing party is a statement by a party-opponent, which Rule 801(d)(2) defines as not hearsay at all.
But hearsay has many exceptions and traps, and this is exactly the analysis to hand to a lawyer rather than resolve from a web page.
Preserve the evidence correctly first; let counsel argue the hearsay.
Spoliation red flags, the mistakes that sink good evidence
Courts punish the destruction or alteration of evidence, sometimes severely. Watch for these:
- Deleting the offending message after screenshotting it. The screenshot is weak and the deletion looks like spoliation, the worst of both.
- Continuing to use, reset, or “clean up” the source device. Ordinary use overwrites data and undercuts the claim that nothing changed.
- Editing, cropping, or annotating the only copy. Alter a working copy if you must; never the preserved original.
- Letting records age out. Carriers and platforms keep data only so long. A preservation request or legal hold, sent early, is what stops the clock.
Where this fits
If you are still gathering material, start with private digital forensics for individuals.
When a matter is contested and you want the collection, hashing, and certification done so it survives challenge, that is what a court-ready exhibit workflow delivers.
Attorneys working a specific rule can go deeper in our guide to authenticating text messages under FRE 901 and 902.
