Alex knew the men and began to investigate on his own.

He started considering the potential of the game to be popular, and began to investigate it.

Following a change of government in late 2001, the Police began to investigate the attack.

German police began to formally investigate him at this time.

Before the alarm could be given, the authorities begin to investigate.

And in 10 percent of the cases, the agency did not begin to investigate an initial report within the 24-hour period required by its rules.

According to the Spanish authorities, they immediately began to investigate the case.

Another area we began to investigate in 1998 was the Union's role with regard to victims of crime.

When I did begin to investigate what had happened, all the evidence was gone.

So he began to investigate, the money had been paid, but that was not the end.