Seeing Whether Someone's Still Checking In...

Is there a way to find out if someone is still checking into the site on occasion, or to see the most recent time they were here?

I had thought the track page was it before finding out differently very recently. (Thanks, Penny.) And as I hope everyone knows by now, the "Last Login" date and time on the member page is a date and time that the viewer checked in, not the member.

Is there something I haven't found, or am I out of luck?

Eric