Vitaliy and Maria Tkachuk and their children had to flee their home in Ukraine with little more than the clothes on their backs. They’ve seen their city destroyed by missile attacks. They brace themselves when the air raid sirens blast.

But this husband and wife have also led many people to faith in Jesus Christ in their war-torn country.

Vitaliy and Maria are serving as chaplains with the Billy Graham Rapid Response Team. On this episode of GPS: God. People. Stories., they talk from their home in Ukraine about the work God is doing through them and around them.

You can connect with us through email at gps@billygraham.org or on Billy Graham Radio on Facebook.

By the age of 32, Mark Whitacre thought he had it all. He was a high-level executive and millionaire. After illegally helping his employer with one of the largest price fixing cases in U.S. history, Mark became an informant for the FBI.

Hear more of Mark’s story—including how he found Jesus Christ in federal prison—on this episode of GPS: God. People. Stories.

You can connect with us through email at gps@billygraham.org or at Billy Graham Radio on Facebook.

Singer and worship leader Christine D’Clario has walked a difficult road. As a child, she was rejected because of her ethnicity, as a teen she rebelled against God, and as an adult, she struggled with infertility and severe postpartum depression.

Today—in addition to traveling the world with her singing—Christine helps Christians who are battling mental illness. Listen as she shares her story on this episode of GPS: God. People. Stories.

You can connect with us through email at gps@billygraham.org or via Billy Graham Radio on Facebook.