The Emergency Management and Response Information Sharing and Analysis Center's (EMR-ISAC) InfoGram is a weekly publication of information concerning the protection of critical infrastructures relevant to members of the Emergency Services Sector. This issue includes the following articles: "May is National Building Safety Month"; "New predictive model may speed toxicity screens and potentially replace animal studies in determining toxicity of chemicals"; "FEMA releases research report, 'Improving Public Messaging for Evacuation and Shelter-in-Place'"; "Webinar: Building Counter-IED [improvised explosive device] Capabilities with the Security and Resiliency Guide (SRG)"; "CISA [Cybersecurity and Infrastructure Security Agency] releases advisory on DarkSide Ransomware: Best Practices for Preventing Business Disruption from Ransomware Attacks"; "Joint NCSC [United Kingdom's National Cyber Security Centre]-CISA [Cybersecurity and Infrastructure Security Agency]-FBI [Federal Bureau of Investigation]-NSA [National Security Agency] cybersecurity advisory on Russian SVR [Russian Foreign Intelligence Service] activity"; "US, UK agencies warn Russian hackers are adapting based on government advisories"; "Cyberattacks on US police departments are a huge overlooked national security threat."