Derek Montgomery, Associated Press
The casket of Tiffany Johnson is carried outside St. Joseph's Catholic Church on Saturday in Chisholm, Minn. She was among four people killed in two shootings.

CHISHOLM, Minn. (AP) — Tiffany Johnson had traveled to Egypt, Libya and South Africa in her work as a Christian missionary. But on Saturday, she was back home in northern Minnesota, remembered as a young woman who had been impossible not to love.

Johnson, 26, was among four people killed in two Colorado shootings by a gunman who police say committed suicide after the second rampage. She was working as a hospitality director at the Youth With a Mission training center in Arvada when she and another worker were killed by the gunman, a former student at the center.

The 24-year-old gunman went on to kill two more people at the New Life Church in Colorado Springs.

About 900 mourners packed St. Joseph's Catholic Church in Chisholm for her service Saturday. A memorial service was held earlier in the week in Colorado.

"She always told me, 'Dad, you think you can control things, but you can't. The Lord controls things,"' her father, Tom Johnson, told mourners. "I'd like to ask all of you to — instead of saying 'I love you' on the telephone to your children — to look them in the eye and say 'I love you' — because Tiff taught me that."

Johnson was born in nearby Hibbing and graduated from Hibbing High School and Normandale Community College in Bloomington, near Minneapolis.

One of Johnson's goals had been to help needy children in developing countries. John Mark, a missionary leader at Cedar Valley Church in Bloomington, called her a "beautiful and extraordinary lady."

"She was the type of person who would do anything you asked her to do," Mark said. "If you don't have love for Tiffany, something is wrong with your heart."

The Rev. Dave Oler of First Assembly of God Church in Hibbing officiated at the funeral.

"Jesus took Tiffany's life and blessed it and transformed it, and spread it out to the entire world," said Oler. "This world needs more Tiffany Johnsons — more people that would let God love them."