Following a mass shooting at Michigan State University which killed three students, all from the Detroit area, and injured five others, members of the Free Press staff conducted a survey of Michigan's lawmakers to gauge their support for three policy measures that have previously been introduced, but failed to advance out of the state's Legislature.

The survey, in which all 148 of Michigan's representatives and senators were contacted multiple times via multiple methods, asked three main questions:

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Democrats in the Senate have since introduced a package of bills, which center around instituting "red flag" laws (sometimes called extreme risk protection orders), safe storage laws and universal background checks in Michigan. Similar legislation is expected in the House soon.

The response rate from lawmakers varied, but here are some takeaways from the Free Press survey:

All 20 Senate Democrats responded to the Free Press survey, making them the only caucus with 100% participation. For all three concepts, Senate Democrats answered "yes" to supporting them, with the exception of one lawmaker whose support for a red flag law was unclear.

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The response rate among Senate Republicans was not as high as the chamber's Democrats — four GOP lawmakers did not respond to the Free Press' multiple attempts to contact them, while two refused to answer questions. One other lawmaker's answers were unclear.

But a handful of Republican senators answered "maybe" or "yes" to supporting concepts, signaling the potential for bipartisan support for bills on gun safety if and when the chamber takes up the recently introduced package.

The House has nearly three times as many members as the Senate — 110 lawmakers to 38. Still, the participation rate for the survey was much lower, despite the Free Press contacting every lawmaker's office, including by visiting their offices in Lansing last week.

No House Democrat who participated in the survey came out against any of the gun safety concepts. But the higher non-response rate among caucus members highlights the narrower political margins for House Democrats. If House Republicans unite in opposition to any particular measure, Democrats would need every single Democratic vote to pass it.

Read the full survey results and Free Press analysis here.

Read more Free Press coverage of the shooting at Michigan State University:

After Michigan State mass shooting, the coping begins

Michigan State University to resume classes Monday, cover victims' costs

Mourners gather to remember students killed in Michigan State University shooting spree

Michigan State shooting victim Brian Fraser remembered as a leader in community

Michigan State shooting victim Alexandria Verner was all-state athlete, leader

Michigan State shooting victim Arielle Anderson wanted to become a doctor

Contact Arpan Lobo: alobo@freepress.com. Follow him on Twitter @arpanlobo.