SB398Introduced in the Senate
Requiring a proponent to demonstrate that it is more likely than not that certain specialized knowledge will help the trier of fact to understand evidence before certain qualified witnesses may testify.
Introduced by Judiciary
What does this bill do?
Plain-English breakdown
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Official description
Requiring a proponent to demonstrate that it is more likely than not that certain specialized knowledge will help the trier of fact to understand evidence before certain qualified witnesses may testify.
Where it stands
Senate Approved by Governor on Tuesday, April 7, 2026
April 9, 2026
How did lawmakers vote?
House votes
1 recorded vote · each counted separately
Senate votes
2 recorded votes · each counted separately
SenateStage: Senate Concurred with amendments in conference - Yea: 39 Nay: 0 · March 26, 2026
39
Yes
0
No
1
Absent or Not Voting
40 senators recorded in this Senate vote. Colors show vote categories only, not whether a vote was good or bad.
What do people think?
Citizen Voice
How would you vote on this bill?
An unofficial public opinion poll. It does not affect the bill or the official vote.
One response per device. Location is self-reported and not verified. Results are informal and not a scientific survey.
See how each senator voted
| Senator | District | Vote |
|---|---|---|
| Scott Hill | 70 | Yes |
| Silas Miller | 86 | Yes |
| Craig Bowser | 1 | Yes |
| Marci Francisco | 2 | Yes |
| Rick Kloos | 3 | Yes |
| David Haley | 4 | Yes |
| Jeff Klemp | 5 | Yes |
| Pat Pettey | 6 | Yes |
| Ethan Corson | 7 | Yes |
| Cindy Holscher | 8 | Yes |
Bill history
Senate Introduced
Senate Referred to Committee on Judiciary
Senate Hearing: Thursday, February 5, 2026, 10:30 AM Room 346-S
Senate Committee Report recommending bill be passed by Committee on Judiciary
Senate Committee of the Whole - Be passed
Senate Emergency Final Action - Passed; Yea: 40 Nay: 0
House Received and Introduced
House Referred to Committee on Judiciary
House Hearing: Tuesday, March 3, 2026, 3:30 PM Room 582-N
House Committee Report recommending bill be passed as amended by Committee on Judiciary
House Committee of the Whole - Committee Report be adopted
House Committee of the Whole - Be passed as amended
House Emergency Final Action - Passed as amended; Yea: 124 Nay: 0
Senate Nonconcurred with amendments; Conference Committee requested; appointed Senator Warren , Senator Titus and Senator Corson as conferees
House Motion to accede adopted; Representative Humphries, Representative Williams, L. and Representative Osman appointed as conferees
Senate Concurred with amendments in conference; Yea: 39 Nay: 0
Senate Enrolled and presented to Governor on Monday, March 30, 2026
Senate Approved by Governor on Tuesday, April 7, 2026
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