Investigate

[Sarah]

1. To creep on or stalk someone of the opposite sexes facebook page.

2. To refresh a close friend's page over and over just in case something changed on their profile in the past 10 seconds.

[Lanell]

to examine a crime, problem, statement, etc. carefully, especially to discover the truth:

[Lizzy Liz]

Carry out a systematic or formal inquiry to discover and examine the facts of (an incident, allegation, etc.) so as to establish the truth.