diff --git a/ControlCore/Messages.cpp b/ControlCore/Messages.cpp
new file mode 100644
index 0000000..261c01c
--- /dev/null
+++ b/ControlCore/Messages.cpp
@@ -0,0 +1,39 @@
+#include "Messages.h"
+
+#pragma region IMessage
+
+unsigned char *IMessage::Serialize() { return nullptr; }
+
+bool IMessage::SendMsg(IMessage msg, unsigned char bufferSize) {
+  return SendMsg(msg.Serialize(), bufferSize);
+}
+
+bool IMessage::SendMsg(unsigned char *buffer, unsigned char bufferSize) {
+  // SendBuffer(buffer, bufferSize);
+  return false;
+}
+
+#pragma endregion
+
+#pragma region Investigate
+
+InvestigateMsg::InvestigateMsg(unsigned char thingId) {
+  this->networkId = 0;
+  this->thingId = thingId;
+}
+
+unsigned char *InvestigateMsg::Serialize() {
+  unsigned char *buffer = IMessage::buffer;
+  buffer[0] = InvestigateMsg::id;
+  buffer[1] = this->networkId;
+  buffer[2] = this->thingId;
+  return buffer;
+}
+
+bool InvestigateMsg::Send(unsigned char thingId) {
+  InvestigateMsg msg = InvestigateMsg(thingId);
+  return SendMsg(msg, InvestigateMsg::length);
+}
+
+// Investiaget
+#pragma endregion
\ No newline at end of file
diff --git a/ControlCore/Messages.h b/ControlCore/Messages.h
new file mode 100644
index 0000000..ad298d9
--- /dev/null
+++ b/ControlCore/Messages.h
@@ -0,0 +1,28 @@
+namespace Passer::Control {
+
+class IMessage {
+public:
+  static unsigned char buffer[256];
+
+  virtual unsigned char *Serialize();
+
+  static bool SendMsg(IMessage msg, unsigned char bufferSize);
+  static bool SendMsg(unsigned char *buffer, unsigned char bufferSize);
+};
+
+class InvestigateMsg : public IMessage {
+public:
+  static const unsigned char id = 0x81;
+  static const unsigned char length = 3;
+  unsigned char networkId;
+  unsigned char thingId;
+
+  InvestigateMsg(unsigned char thingId);
+
+  virtual unsigned char *Serialize() override;
+
+  static bool Send(unsigned char thingId);
+};
+
+} // namespace Passer::Control
+using namespace Passer::Control;
\ No newline at end of file