Mueller on Evidence: Character And Habit

Introduction to Character and Habit Evidence

This section introduces the fundamental differences between character evidence and habit evidence, emphasizing how they are treated under the Federal Rules of Evidence. Character evidence pertains to a person's general disposition or traits, while habit evidence refers to specific, habitual actions that are performed consistently over time.

• Character evidence is generally inadmissible to prove that a person acted in conformity with that character on a particular occasion.
• Habit evidence is admissible to show that a person acted in accordance with a specific habit or routine.

Admissibility of Character Evidence

The admissibility of character evidence is constrained by Rule 404 of the Federal Rules of Evidence, which typically excludes it when offered to prove conduct. It can, however, be introduced in criminal cases when the defendant opens the door by presenting evidence of their character. The section discusses notable exceptions and the nuances surrounding these rules.

• Character evidence may be permissible in cases involving the character of the accused or the alleged victim.
• Rules governing character evidence differ in criminal versus civil proceedings.

Admissibility of Habit Evidence

Habit evidence, in contrast, is governed by Rule 406 of the Federal Rules of Evidence. It allows for the introduction of evidence demonstrating a person's regular responses to a particular set of circumstances. This section highlights the relevance of frequency and specificity in establishing a habit, and explains how habit evidence may provide a clearer reflection of behavior than character evidence.

• For habit evidence to be admissible, it must represent a person's semi-automatic responses in consistent situations.
• The distinction between habits and character traits is often pivotal in determining the admissibility of evidence.

Practical Applications in Trials

This section addresses how attorneys can effectively leverage character and habit evidence in both prosecution and defense strategies. It covers practical considerations regarding jury perception and how the introduction of such evidence may influence the outcome of trials, particularly emphasizing the threshold for admissibility and jury instructions.

• Understanding when and how to present character and habit evidence can significantly impact trial strategies.
• Judges may provide jury instructions that clarify the limited role of character evidence in determining guilt or innocence.

Character Evidence

Evidence that demonstrates a person's general traits or disposition.

Habit Evidence

Evidence reflecting a person's specific and regular behavior in response to particular circumstances.

Rule 404

A rule in the Federal Rules of Evidence that addresses the admissibility of character evidence.

Rule 406

A rule in the Federal Rules of Evidence that specifically deals with the admissibility of habit evidence.