The perpetrator was identified as Capt. Danilo Lalin, an officer of Highland 86 of the Philippine Army 50th IB. Lalin first invited Isabel to be his text mate before asking to meet her.
Kinilala ang salarin na si Capt. Danilo Lalin, upisyal ng Highlander 86 ng 50th IB ng Philippine Army. Napag-alaman din na ginawa munang text mate ni Lalin si Isabel bago pagsamantalahan.