What happens to DNA after it’s collected from a crime scene? 🧬 A criminalist takes you behind the scenes to show how they process DNA evidence and turn it into information that can aid an investigation. 🔬

How can a bullet help investigators identify the firearm that fired it? 🔬 Our Firearms Unit explains how technicians test firearms, recover projectiles, and examine evidence that can aid investigations.

What can DNA reveal? 🧬 Our Forensic Biology/DNA Unit uncovers the answer - and tackles one of the misconceptions along the way. 🔬

Today, @SFPDBayview Captain Robinson joined neighbors and community leaders in the Portola to officially welcome the new San Bruno Ave footbeat, Officer Li! Be sure to say hello when you see him around!

Coffee with a cop, Bottles & Bites style. ☕️🍴 Officers from @SFPDNorthern spent some time today hanging out, chatting with neighbors, and connecting with the community. Thanks to everyone who joined us!

WATCH: The details matter. 🔍 Bloodstain patterns can provide valuable information at crime scenes. See how our CSI Unit analyzes the evidence to help investigators understand what happened.

Our Recruitment Unit has had a busy week connecting with students at Fresno Pacific, Fresno State, and Fresno City College! They're not done yet; they'll be at Fresno State today for a full SFPD testing event, helping applicants get through 2 major steps in the hiring process.

Teamwork in action! The SFPD's Marine Unit was proud to lend a helping hand to our law enforcement partners in removing these abandoned vessels from the Oakland Estuary.

WATCH: "Easton" is back home! The stolen mini labradoodle was safely reunited with his family after SFPD officers and @SheriffSF deputies teamed up to bring him home. MORE: tinyurl.com/SFPDNewsRelease2…

WATCH: You may not see it. We do. 👀 🔬 Check out how the SFPD’s Latent Print Unit develops and analyzes latent prints from evidence to help move investigations forward.

HAPPENING TODAY: Working group meeting on Department General Order (DGO) 8.10 "First Amendment Activities". Attendees are invited to join in person or virtually via Teams. Details & Links ➡️ tinyurl.com/Sep24MeetingAgen…

BEHIND THE EVIDENCE 📲 What can a phone reveal? Our Multimedia Evidence Unit helps uncover digital evidence that can aid investigations.

On Oct. 1, SFPD will implement new boundaries for 6 district stations. These changes will help us balance operations across the city. We do not anticipate any disruption to service. Thank you to the community for all your input in this process. View the changes at tinyurl.com/SFPDBoundaries20…

HONORING A LEGEND: Former @SFGiants pitcher and broadcaster Mike Krukow was recognized for more than 35 years of service to the SFPD's Police Activities League and Police Officers' Association. He was presented with honorary member Star #39, a nod to his Giants jersey number.

BEHIND THE EVIDENCE ✏️ How do you turn a memory into a face? Our Forensic Artist helps bring descriptions to life. #NationalForensicScienceWeek

BEHIND THE EVIDENCE 🔬 How can a firearm connect the dots? Our Firearms Unit helps uncover the answer to aid in investigations. #NationalForensicScienceWeek

We want your feedback! 📢 Public comment is now open for Department General Order 3.08, "Court Appearances" through Nov 3. Learn more and submit your comment today at tinyurl.com/SFPDPolicyInput

On Sep 12, officers contacted more than 300 vehicles at a DUI checkpoint. The operation resulted in 3 DUI arrests, 23 citations, and 19 arrests for driving on a suspended/revoked license. Thank you to our officers for keeping SF's streets safe!

BEHIND THE EVIDENCE 🧪 What's really in that evidence? Our Controlled Substances Unit helps uncover the answer. #NationalForensicScienceWeek

SAFE REUNION: An elderly Chinatown resident missed her bus stop, prompting her worried family to call SFPD. Four @SFPDCentral officers and an attentive @SFMTA_Muni operator found her safe and reunited her with her family.