[AbeKrieger]

Do you care enough to investigate?

I care enough about my family to not take a chance.

[GretchenM]

That is a moderating, temperate answer, and I make no pretensions to being the Good Samaritan Police. Yet I do know that showing compassion for the strangers among us* is valued very highly in God's eyes, and I would hope that if your (loved and treasured) family were ever in need, a stranger would take them in.
* Luke 10:33-37; and
Hebrews 13:1-3 for examples:
1 Let love of the brethren continue. 2 Do not neglect to show hospitality to strangers, for by this some have entertained angels without knowing it. 3 Remember the prisoners, as though in prison with them, and those who are ill-treated ...
The New American Standard Bible, 1995 Update, (La Habra, California: The Lockman Foundation) 1996.