Audrina No suspicion, just knowledge of what happens. The ward leadership (bishopric, relief society, etc) meet together to discuss issues within the ward, and it includes updates about inactive members.
"If any member thinks they have to be a Peter Priesthood or Molly Mormon to be a 'good' Mormon, then they've really lost the point if Christ's Atonement" Mormons are taught that faith is nothing, without good works - this includes 'Every member a missionary', baptisms for the dead, temple work for the dead, etc.
Mormon woman are allowed only one husband - or rather, one eternal husband. They can marry other men, but can only be 'sealed' to one man (and a Mormon temple divorce for a woman is extremely hard to come by). A Mormon man however, can be sealed to every woman he marries, as long as they are both worthy to marry in a Mormon temple.
People are interested in the underwear, because it is an unusual thing. It's not every day that you find people wearing undies with masonic symbols on it. The underwear was brought in (in Joseph Smiths time) to show those members who followed the covenant of plural marriage.
The reporter was strictly controlled by the church PR people - if they thought it was inappropriate, it wouldn't have been allowed to have been shown. They were happy to show the missionary being set apart, after all.