Rules Only Applied to Physical Evidence Flashcards
Rule 901(a)
Authentication
- to satisfy the requirement of authenticating or identifying an item of evidence, the proponent must produce evidence sufficient to support a finding that the item is what the proponent claims it is
- evaluated under Rule 104(b) - judge decides whether reasonable jury could find the item authentic
Rule 901(b)
Lists examples of evidence that satisfies authentication:
1) testimony of a witness with knowledge
2) nonexpert opinion about handwriting (someone who knows your writing)
3) comparison by an expert witness or trier of fact (compare writing samples and say look similar)
4) distinctive characteristics of the item
5) opinion about a voice
6) evidence about a telephone conversation (ex: you call the number and the person answers saying it’s so-and-so)
Rule 902
- deals with evidence that is self-authenticating (doesn’t require any extrinsic ev of authenticity to be admissible)
- ex’s: signed and sealed domestic public docs (1), domestic public docs that aren’t sealed but are signed and certified (2), newspapers and periodicals (6)
Authentication and 104(b)
- item of physical evidence is admissible only if relevant and relevant only if sufficiently authenticated -> trial judge usually decides under 104(b) if there’s sufficient evidence that the proponent says it is
- could a reasonable jury conclude it’s authentic?
- can be admitted subject to connection
Chain of Custody
- can be quite lenient
- needs to be sufficiently strong that reasonable jury could conclude the material that got tested was the one seized (think this was a specific ex from my notes)
- any gaps in the chain goes to weight
902(13)
- certified records generated by an electronic system
- there needs to be some kind of live witness or a certification produced before trial that the system produces an accurate result
902(14)
- certified data copied from an electronic device storage medium, or file
- electronically stored info
- authenticated by process of digital id -> need qualifies person to certify this
Vayner Case
- gov tried to argue def had clearly committed the fraud because the gmail address used was the one listed on “his” Russian Facebook page
- appeals court rejected this - not sufficiently authenticated because the page has his photo and name but could’ve been created by anyone
- evaluation of web page depends on context
US v. Brown
- authentication of Facebook chats
- not self-authenticating (gov couldn’t submit as 902(11) “Certified Domestic Records of a Regularly Conducted Activity” b/c certification from FB only proved they’d come from the FB accounts, not who the participants were)
- BUT court concluded sufficiently authenticated under the general 901(a) provision - victims’ testimony matched up with the chats, defendant’s admissions lined up, facts at trial lined up, + gov had introduced ev on how the chats were maintained by FB
- note that gove was not required to directly confirm the chats with the victims, all of whom testified (party gets to make its own case)
US v. Bertram
- email exchanges - need to prove that they’re authentic -> gov relied on distinctive characteristics within the emails
- unique email addresses, internal references to nicknames, matched other ev re phone convos, + had electronic signature blocks
- witness who authenticated wasn’t sender, recipient or on CC - just worked at the company + could identify things from first-hand experience
State v. Brown
- failure of authentication under 901(b)(9)
- gov called trial witness who explained monitor, but witness couldn’t explain precisely how it worked -> held not enough for authentication
Rule 901(b)(9)
Evidence About a Process or System - need witness who can explain evidence about a process or system + that it produces an authentic result
Rule 901(b)(9) vs. Rule 902(13)
- for 901(b)(9), you need someone to explain how the tech works
- for 902(13), you just need someone to explain that it’s a true and accurate copy of the system data
Rule 1002
Best Evidence Rule
- an original writing, recording, or photograph is required in order to prove its content unless these rules or a federal statute provides otherwise
- mostly used for writing, although can apply to recordings and photographs
Rule 1003
Admissibility of Duplicates
- a duplicate is admissible to the same extent as the original unless a genuine question is raised about the original’s authenticity or the circumstances make it unfair to admit the duplicate