Officer Detail: Mark Grinstead

General Information

Name Mark Grinstead
OpenOversight ID 624
Department [WA] Seattle Police Department
Race White
Gender Male
Birth Year (Age) 1968 (~56 y/o)
First Employment Date 2011-08-09
Number of known incidents 6
Currently on the force Yes

Assignment History

Assignment changes are estimated based on title changes between rosters obtained from the department. As a result, no assignments from before 2011 are available at this time.
Job Title Badge No. Unit Start Date End Date
Police Sergeant Detective 6378 Forensics - Crime Scene Investigations 2016-04-26
Police Sergeant 6378 West Pct 3Rd W - King 2015-02-12 2016-04-26
Police Officer 6378 West Pct 2Nd W - King Beats 2012-11-05 2015-02-12
Police Officer 6378 West Pct 2Nd W - David Beats 2011-08-09 2012-11-05

Salary

Annual Salary Overtime Total Pay Year
$137,600.00 (data incomplete) 2021
$199,758.56 $41,521.39 $241,279.95 2020

Incidents

Incident OPA Case 2019OPA-0482

Date May 08, 2019
Report # OPA Case 2019OPA-0482
Department Seattle Police Department
Officers Mark Grinstead , Ryan Beecroft , Christopher Myers , Daniel Johnson
Description

Allegation 1 — Supervisory Responsibility

Name: Mark Grinstead
Badge #: 6378
Disposition: OPA No Allegations Sustained
Discipline:
Incident Type: OPA Expedited Investigation
Finding: Not Sustained Unfounded (Expedited)

Allegation 2 — Supervisory Responsibility

Name: Mark Grinstead
Badge #: 6378
Disposition: OPA No Allegations Sustained
Discipline:
Incident Type: OPA Expedited Investigation
Finding: Not Sustained Unfounded (Expedited)

Allegation 3 — Force - Use

Name: Christopher Myers
Badge #: 5452
Disposition: OPA No Allegations Sustained
Discipline:
Incident Type: OPA Expedited Investigation
Finding: Not Sustained Lawful and Proper (Expedited)

Allegation 4 — Bias-free Policing

Name: Christopher Myers
Badge #: 5452
Disposition: OPA No Allegations Sustained
Discipline:
Incident Type: OPA Expedited Investigation
Finding: Not Sustained Unfounded (Expedited)

Allegation 5 — Force - De-Escalation

Name: Christopher Myers
Badge #: 5452
Disposition: OPA No Allegations Sustained
Discipline:
Incident Type: OPA Expedited Investigation
Finding: Not Sustained Lawful and Proper (Expedited)

Allegation 6 — Force - Use

Name: Christopher Myers
Badge #: 5452
Disposition: OPA No Allegations Sustained
Discipline:
Incident Type: OPA Expedited Investigation
Finding: Not Sustained Lawful and Proper (Expedited)

Allegation 7 — Bias-free Policing

Name: Christopher Myers
Badge #: 5452
Disposition: OPA No Allegations Sustained
Discipline:
Incident Type: OPA Expedited Investigation
Finding: Not Sustained Unfounded (Expedited)

Allegation 8 — Force - De-Escalation

Name: Christopher Myers
Badge #: 5452
Disposition: OPA No Allegations Sustained
Discipline:
Incident Type: OPA Expedited Investigation
Finding: Not Sustained Lawful and Proper (Expedited)

Allegation 9 — Force - Use

Name: Ryan Beecroft
Badge #: 7722
Disposition: OPA No Allegations Sustained
Discipline:
Incident Type: OPA Expedited Investigation
Finding: Not Sustained Lawful and Proper (Expedited)

Allegation 10 — Bias-free Policing

Name: Ryan Beecroft
Badge #: 7722
Disposition: OPA No Allegations Sustained
Discipline:
Incident Type: OPA Expedited Investigation
Finding: Not Sustained Unfounded (Expedited)

Allegation 11 — Force - Use

Name: Ryan Beecroft
Badge #: 7722
Disposition: OPA No Allegations Sustained
Discipline:
Incident Type: OPA Expedited Investigation
Finding: Not Sustained Lawful and Proper (Expedited)

Allegation 12 — Bias-free Policing

Name: Ryan Beecroft
Badge #: 7722
Disposition: OPA No Allegations Sustained
Discipline:
Incident Type: OPA Expedited Investigation
Finding: Not Sustained Unfounded (Expedited)

Allegation 13 — Force - De-Escalation

Name: Ryan Beecroft
Badge #: 7722
Disposition: OPA No Allegations Sustained
Discipline:
Incident Type: OPA Expedited Investigation
Finding: Not Sustained Lawful and Proper (Expedited)

Allegation 14 — Force - De-Escalation

Name: Ryan Beecroft
Badge #: 7722
Disposition: OPA No Allegations Sustained
Discipline:
Incident Type: OPA Expedited Investigation
Finding: Not Sustained Lawful and Proper (Expedited)

Allegation 15 — Bias-free Policing

Name: Daniel Johnson
Badge #: 8179
Disposition: OPA No Allegations Sustained
Discipline:
Incident Type: OPA Expedited Investigation
Finding: Not Sustained Unfounded (Expedited)

Allegation 16 — Bias-free Policing

Name: Daniel Johnson
Badge #: 8179
Disposition: OPA No Allegations Sustained
Discipline:
Incident Type: OPA Expedited Investigation
Finding: Not Sustained Unfounded (Expedited)

Source: Community Member
Case Status: Completed
Legend
Address Seattle, WA
 

Incident OPA Case 2016OPA-0897

Date Aug 01, 2016
Report # OPA Case 2016OPA-0897
Department Seattle Police Department
Officers Mark Grinstead
Description

Allegation — Vehicle Operation

Name: Mark Grinstead
Badge #: 6378
Disposition: OPA No Allegations Sustained
Discipline:
Incident Type: OPA Investigation
Finding: Not Sustained Management Action

Source: SPD - Forwarded
Case Status: Completed
Legend
Address Seattle, WA
 

Incident OPA Case 2015OPA-1865

Date Dec 13, 2015
Report # OPA Case 2015OPA-1865
Department Seattle Police Department
Officers Mark Grinstead
Description

Allegation 1 — Conformance to Law

Name: Mark Grinstead
Badge #: 6378
Disposition: OPA No Allegations Sustained
Discipline:
Incident Type: OPA Investigation
Finding: Not Sustained Unfounded

Allegation 2 — Professionalism

Name: Mark Grinstead
Badge #: 6378
Disposition: OPA No Allegations Sustained
Discipline:
Incident Type: OPA Investigation
Finding: Not Sustained Unfounded

Source: Community Member
Case Status: Completed
Legend
Address Seattle, WA
 

Incident OPA Case 2015OPA-0285

Date Mar 03, 2015
Report # OPA Case 2015OPA-0285
Department Seattle Police Department
Officers Mark Grinstead , Jason Bender , Tad Willoughby , Gabriel Conrad
Description

Allegation 1 — Stops, Detentions and Arrests

Name: Mark Grinstead
Badge #: 6378
Disposition: OPA No Allegations Sustained
Discipline:
Incident Type: OPA Investigation
Finding: Not Sustained Lawful and Proper

Allegation 2 — Stops, Detentions and Arrests

Name: Mark Grinstead
Badge #: 6378
Disposition: OPA No Allegations Sustained
Discipline:
Incident Type: OPA Investigation
Finding: Not Sustained Training Referral

Allegation 3 — Stops, Detentions and Arrests

Name: Gabriel Conrad
Badge #: 6947
Disposition: OPA No Allegations Sustained
Discipline:
Incident Type: OPA Investigation
Finding: Not Sustained Training Referral

Allegation 4 — Stops, Detentions and Arrests

Name: Jason Bender
Badge #: 6724
Disposition: OPA No Allegations Sustained
Discipline:
Incident Type: OPA Investigation
Finding: Not Sustained Training Referral

Allegation 5 — Stops, Detentions and Arrests

Name: Jason Bender
Badge #: 6724
Disposition: OPA No Allegations Sustained
Discipline:
Incident Type: OPA Investigation
Finding: Not Sustained Lawful and Proper

Allegation 6 — Stops, Detentions and Arrests

Name: Tad Willoughby
Badge #: 5560
Disposition: OPA No Allegations Sustained
Discipline:
Incident Type: OPA Investigation
Finding: Not Sustained Lawful and Proper

Allegation 7 — Stops, Detentions and Arrests

Name: Tad Willoughby
Badge #: 5560
Disposition: OPA No Allegations Sustained
Discipline:
Incident Type: OPA Investigation
Finding: Not Sustained Training Referral

Source: Community Member
Case Status: Completed
Legend
Address West - MARY - M3
Seattle, WA
 

Incident OPA Case 2015OPA-1036

Date Feb 13, 2015
Report # OPA Case 2015OPA-1036
Department Seattle Police Department
Officers Mark Grinstead
Description

Allegation — Video and Audio Recording

Name: Mark Grinstead
Badge #: 6378
Disposition: OPA Supervisor Action Closed
Discipline:
Incident Type: Supervisor Action
Finding: Process as Supv Action

Source: SPD - Initiated
Case Status: Completed
Legend
Address West - KING - K3
Seattle, WA
 

Incident OPA Case OPA2014-0503

Date Sep 16, 2014
Report # OPA Case OPA2014-0503
Department Seattle Police Department
Officers Mark Grinstead , Michael Eastman
Description

Allegation 1 — Stops, Detentions and Arrests

Name: Mark Grinstead
Badge #: 6378
Disposition: OPA Supervisor Action Closed
Discipline:
Incident Type: Supervisor Action
Finding: Process as Supv Action

Allegation 2 — Stops, Detentions and Arrests

Name: Michael Eastman
Badge #: 7412
Disposition: OPA Supervisor Action Closed
Discipline:
Incident Type: Supervisor Action
Finding: Process as Supv Action

Source: Community Member
Case Status: Completed
Legend
Address West - KING - K1
Seattle, WA

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